Having made this observation, Thorndyke stepped off the path and walked a few paces along the end wall—which abutted on a field—to a spot where an apple tree in the grounds rose above the summit. Here he stopped, and, having glanced up at the wall—which was nearly seven feet high—grasped the uncomely stick with both hands, one on either side of the concealed joint, and gave a sharp twist. Immediately the stick became divided into two parts, the lower of which—that bearing the ferrule—Thorndyke stood against the wall. It could now be seen that the upper part terminated in a blackened brass half-cylinder, the flat face of which was occupied by a little circular glass window, and when Thorndyke had unscrewed the cap from the end of the handle, the latter was seen to be a metal tube, within which was another little glass window—the eye-piece. In effect, Polton's hideous walking-stick was a disguised periscope.
Taking up a position close to the wall, Thorndyke slowly raised the periscope until its end stood an inch or so above the top of the wall, with the little window looking into the enclosure. The eye-piece being now at a convenient level, he applied his eye to it, and immediately had the sensation of looking through a circular hole in the wall. Through this aperture (which was, of course, the aperture of the object-glass above him, reflected by a pair of prisms) he looked into a large garden, enclosed on all sides by the high wall and having apparently only two doors or gates, the one at the side, which he had already seen, and another which appeared to open into another garden nearer the house, and which, like the side gate, seemed to be fitted with a night-latch of the Yale type. On one side, partly concealed by a half-grown yew hedge, was a long, low building which, by the windows in its roof, appeared to be some kind of workshop; and by rotating the periscope it was possible to catch a glimpse of part of what seemed to be a summer-house in the corner opposite the workshop. Otherwise, excepting a narrow flower border and a few fruit trees ranged along the wall, the whole of the enclosure was occupied by a large lawn, the wide expanse of which was broken only by a sun-dial beside which, at the moment, a man was standing and on man and sun-dial, Thorndyke, after his swift preliminary survey, concentrated his attention.
The stone pillar of the dial was obviously ancient. Equally obviously the stone base on which it stood was brand new. Moreover, the part of the lawn immediately surrounding the base was yellow and faded as if it had been recently raised and relaid. The manifest inference was that the dial had but lately been placed in its present position; and this inference was supported by the occupation in which the man was engaged. On the stone base stood a Windsor chair, the seat of which bore one or two tools and a pair of spectacles. Thorndyke noted the spectacles with interest, observing that they had "curl sides" and were therefore habitually worn; and since they had been discarded while their owner consulted a book that he held, it seemed to follow that he must be near-sighted.
As Thorndyke watched, the man closed the book and laid it on the chair, when by its shape and size, its scarlet back and apple-green sides, it was easily recognizable as Whitaker's Almanack. Having laid down the book, the man drew out his watch, and, holding it in his hand, approached the pillar and grasped the gnomon of the dial; and now Thorndyke could see that the dial-plate had been unfixed from its bed, for it moved visibly as the gnomon was grasped. The nature of the operation was now quite dear. The man was re-setting the dial. He had taken out the Equation of Time from Whitaker and was now adjusting the dial-plate by means of his watch to show the correct Apparent Solar Time.
At this point—leaving the man standing beside the pillar, watch in hand—Thorndyke picked up the detached portion of the stick, and stepping along the wall, glanced up and down the path. So far as he could see—nearly a quarter of a mile in each direction—he had the path to himself; and, noting with some surprise and no little interest the remarkable paucity of wayfarers, he returned to his post and resumed his observations.
The man had now put away his watch and taken up a hammer and bradawl. Thorndyke noted the workmanlike character of the former—a rather heavy ball-pane hammer such as engineers use—and when the bradawl was inserted into one of the screw-holes of the dial-plate and driven home into the lead bed with a single tap, he observed the deftness with which the gentle, calculated blow was delivered with the rather ponderous tool. So, too, with the driving of the screw; it was done with the unmistakable ease and readiness of the skilled workman.
Having rapidly made these observations, Thorndyke drew from his hip pocket the little camera and opened it, setting the focus by the scale to the assumed distance—about sixty feet—fixing the wire release and setting the shutter to half a second—the shortest exposure that was advisable with a telephoto lens. Another peep through the periscope showed the man in the act of again inserting the bradawl, and, incidentally, presenting a well-lighted right profile; whereupon Thorndyke raised the camera and placed it on the top of the wall with the wire release hanging down and the lens pointed, as well as he could judge, at the sun-dial. Then, as the man poised the hammer preparatory to striking, he pressed the button of the release and immediately took down the camera and changed the film.
Once more he went to the corner of the wall and looked up and down the path. This time a man was visible—apparently a labourer—coming from the direction of the town. But he was a long distance away and was advancing at a pace so leisurely that Thorndyke decided to complete his business, if possible, before he should arrive. A glance through the periscope showed the man in the garden driving another screw. When he had driven it home, he stepped round the pillar to deal with the screws on the other side. As he inserted the bradawl and balanced the hammer, presenting now his left profile, Thorndyke lifted the camera to the top of the wall, made the exposure, took down the camera, and having changed the film, closed it and put it in his pocket. Then he joined up the two parts of the stick, fixed the cap on the eye-piece and came out on to the path, turning towards the town to meet the labourer. But the latter had now disappeared, having apparently turned into the road on which the house fronted. Having the path once more to himself, Thorndyke walked along it to the gate, where he paused and rapped on it smartly with his knuckles.
After a short interval, during which he repeated the summons, the gate was opened a few inches and the man whom he had seen within looked out with an air of slightly irritable enquiry.
"I must apologize for disturbing you", Thorndyke said with disarming suavity, "but I heard some one within, and there was no one about from whom I could make my enquiry."
"You are not disturbing me in the least", the other replied, not less suavely. "I shall be most happy to give you any information that I can. What was the enquiry that you wished to make?"
As he asked the question, the stranger stepped out on the path, drawing the gate to after him, and looked inquisitively at Thorndyke.
"I wanted to know", the latter replied, "whether this footpath leads to a wood—Potter's Wood, I think it is called. You see, I am a stranger to this neighbourhood."
On this the man seemed to look at him with heightened interest as he replied:
"Yes, it leads through the wood about half a mile farther on."
"And where does it lead to eventually?"
"It crosses a patch of heath and joins a by-road that runs from the town to the main London road. Was that where you wanted to go?"
"No", replied Thorndyke. "It is the path itself that I am concerned with. The fact is, I am making a sort of informal inspection in connection with the case of a man who disappeared a short time ago—the manager of a local branch of Perkins's Bank. I understand that he was last seen walking along this path."
"Ah", said the other, "I remember the affair. And is he still missing?"
"Yes. He has never been seen or heard of since he started along this path. What is the wood like? Is it a place in which a man might lose himself?"
The other shook his head. "No, it is only a small wood. A sound and sober man could not get lost in it. Of course, if a man were tak
en ill and strayed into the wood, he might die and lie hidden for months. Has the wood been searched?"
"I really can't say. It ought to have been."
"I thought", said the stranger, "that you might, perhaps, be connected with the police."
"No", replied Thorndyke. "I am a lawyer and I look after some of the affairs of the bank. One of the directors mentioned this disappearance to me a few days ago, and as I happened to be in the neighbourhood to-day, I thought I would come and take a look round. Perhaps you could show me where we are on my map. It is a little confusing to a stranger."
He drew out the folded map and handed it to his new acquaintance, who took it and pored over it as if he found it difficult to decipher. As he did so, Thorndyke took the opportunity to look him over with the most searching scrutiny; his face, his hair, his spectacles, his hands and his feet; and when he had inspected the left side of the face which was the one presented to him—he crossed as if to took over the man's right shoulder and examined the face from that side.
"This dotted line seems to be the footpath", said the stranger, tracing it with the point of a pencil. "This black dot must be my house, and here is the wood with the dotted line running through it. I think that is quite clear."
"Perfectly clear, thank you", said Thorndyke, as the other handed him back the map. "I am very greatly obliged to you and I must again apologize for having disturbed you."
"Not at all", the stranger returned genially; "and I hope your inspection may be successful."
Thorndyke thanked him again, and with mutual bows they separated, the one retiring into his domain, the other setting forth in the direction of the wood.
For some minutes Thorndyke continued to walk at a rapid pace along the path. Only when a sharp turn carried him out of sight of the walled garden did he halt to jot down in his note-book a brief summary of his observations while they were fresh in his mind. Not that the notes were really necessary, for, even as he had made those observations, the significance of the facts that they supplied became apparent. Now, as he walked, he turned them over again and again.
What had he observed? Nothing very sensational, to be sure. He had seen a man who had recently set up in his garden a pillar dial on a broad stone base. The dial was old, but the base was new and seemed to have been specially constructed for its present purpose. The garden in which it had been set up was completely enclosed, was extremely secluded, was remote from its own or any other house, and was very thoroughly secured against any possible intrusion by two locked gates. The man himself was a skilled workman, or at least a very handy man; ingenious and resourceful, too, for he could time a sun-dial, a thing that not every handy man could do. Then he appeared to have some kind of workshop of a size suggesting good accommodation and facilities for work, and this workshop was in a secluded situation, very secure from observation. But in these facts there would seem to be nothing remarkable; only they were in singular harmony with certain other facts—very remarkable facts indeed—that Thorndyke had gleaned from an examination of Harold's absurd photographs.
And there was the man himself, and especially his spectacles. When Thorndyke had seen those spectacles lying on the chair while their owner drove in the screws, looked at his watch, and scrutinized the shadow on the dial, he had naturally assumed that the man was near-sighted; that he had taken off his "distance" glasses to get the advantage of his near sight for the near work. But when the man appeared at the gate, it was immediately evident that he was not near-sighted. The spectacles were convex bi-focal glasses, with an upper half of nearly plain glass and a lower segment distinctly convex, suited for long sight or "old sight". A near-sighted man could not have seen through them. But neither did their owner seem to need them, since he had taken them off just when they should have been most useful—for near work. Moreover, when Thorndyke had presented the map, the man had looked at it, not through the lower "reading" segment, but through the weak, upper, "distance" segment. In short, the man did not need those spectacles at all. So far from being a convenience, they were a positive inconvenience. Then, why did he wear them? Why had he put them on to come to the gate? There could be only one answer. People who wear useless and inconvenient spectacles do so in order to alter their appearance; as a species of disguise, in fact. Then it seemed as if this man had some reason for wishing to conceal his identity. But what could that reason be?
As to his appearance, he was a decidedly good-looking man, with an alert, intelligent face that was in harmony with his speech and bearing. His mouth and chin were concealed by a moustache and a short beard, but his nose was rather handsome and very striking, for it was of that rare type which is seen in the classical Greek sculptures. His ears were both well-shaped, but one of them—the right—was somewhat disfigured by a small "port-wine mark", which stained the lobule a deep purple. But it was quite small and really inconspicuous.
This was the sum of Thorndyke's observations, to which may be added that the man appeared to be prematurely grey and that his face, despite its cheerful geniality, had that indefinable character that may be detected in the faces of men who have passed through long periods of stress and mental suffering. Only one datum remained unascertained, and Thorndyke added it to his collection when, having traversed the wood and the heath, he returned to the town by way of the by-road. Encountering a postman on his round, he stopped him and enquired:
"I wonder if you can tell me who is living at 'The Chestnuts' now? You know the house I mean. It stands at the corner—"
"Oh, I know 'The Chestnuts,' sir. Colonel Barnett used to live there. But he went away nigh upon two years ago, and, after it had been empty for a month or two, it was bought by the gentleman who lives there now, Mr. Pottermack."
"That is a queer name", said Thorndyke. "How does he spell it?"
"P.o.t.t.e.r.m.a.c.k", the postman replied. "Marcus Pottermack, Esq. It is a queer name, sir. I've never met with it before. But he is a very pleasant gentleman, all the same."
Thorndyke thanked the postman for his information, on which he pondered as he made his way to the station. It was a very queer name. In fact, there was about it something rather artificial; something that was not entirely out of character with the unwanted spectacles.
VII. THE CRIMINAL RECORDS
On each of the two men who parted at the gate the brief interview produced its appropriate effects; in each it generated a certain train of thought which, later, manifested itself in certain actions. In Mr. Pottermack, as he softly reopened the gate to listen to the retreating footsteps, once even venturing to peep out at the tall figure that was striding away up the path, the encounter was productive of a dim uneasiness, a slight disturbance of the sense of security that had been growing on him since the night of the tragedy. For the first few days thereafter he had been on wires. All seemed to be going well, but he was constantly haunted by that ever-recurring question, "Was there anything vital that he had overlooked?"
The mysterious photographer, too, had been a disturbing element, occasioning anxious speculations on the motive or purpose of his inexplicable proceedings and on the possibility of something being brought to light by the photographs that was beyond the scope of human vision. But as the days had passed with no whisper of suspicion, as the local excitement died down and the incident faded into oblivion, his fears subsided, and by degrees he settled down into a feeling of comfortable security.
And after all, why not? In the first few days his own secret knowledge had prevented him from seeing the affair in its true perspective. But now, looking at it calmly with the eyes of those who had not that knowledge, what did Lewson's disappearance amount to? It was a matter of no importance at all. A disreputable rascal had absconded with a hundred pounds that did not belong to him. He had disappeared and no one knew whither he had gone. Nor did any one particularly care. Doubtless the police would keep a look-out for him; but he was only a minor delinquent, and they would assuredly make no extraordinary efforts to trace him.
So
Mr. Pottermack argued, and quite justly; and thus arguing came by degrees to the comfortable conclusion that the incident was closed and that he might now take up again the thread of his peaceful life, secure alike from the menace of the law and the abiding fear of impoverishment and treachery.
It was this new and pleasant feeling of security that had been disturbed by his encounter with the strange lawyer. Not that he was seriously alarmed. The man seemed harmless enough. He was not, apparently, making any real investigations but just a casual inspection of the neighbourhood, prompted, as it appeared, by a not very lively curiosity. And as a tracker he seemed to be of no account, since he could not even find his position on a one-inch map.
But for all that, the incident was slightly disquieting. Pottermack had assumed that the Lewson affair was closed. But now it seemed that it was not closed. And it was a curious coincidence that this man should have knocked at his gate, should have selected him for these enquiries. No doubt it was but chance; but still, there was the coincidence. Again, there was the man himself. He had seemed foolish about the map. But he did not look at all like a foolish man. On the contrary, his whole aspect and bearing had a suggestion of power, of acute intellect and quiet strength of character. As Pottermack recalled his appearance and manner he found himself asking again and again: Was there anything behind this seemingly chance encounter? Had this lawyer seen those photographs, and if so, had he found in them anything more than met the eye? Could he have had any special reason for knocking at this particular gate? And what on earth could he be doing with that walking-stick gun?
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