Wells remarked, "I never knew if you liked him."

Tarquin's eyes narrowed. "I cannot answer that, Bertie. We were brothers. I worked for him. I suppose I loved him. But we were also rivals, throughout life, as are most brothers."

Holmes asked bluntly, "Do you stand to benefit from his death?"

Tarquin Brimicombe said, "No. My father's legacy will not be transferred to me. Ralph made out his own will, leaving his a.s.sets to his wife; and there is no love lost between the two of us. You may check with the family solicitors-and with Jane-to verify these claims. If you are looking for a murder motive, Mr Holmes, you must dig deeper. I will not resent it."

"Oh, I shall," muttered Holmes. "And Ralph Brimicombe is beyond resenting anything. Come. Let us look in the capsule."

We stepped over the shattered concrete to the entrance cut in the capsule wall. A small lamp had been set up, filling the interior with a sombre glow. I knew that the body-what was left of it-had been taken away for burial, but the craft had not been cleaned out. I dropped my eyes to the floor, expecting-what? a dramatic splash of blood?-but there were only a few irregular stains on the burst upholstery of the aviator's couch, where Ralph had been seated at the moment of his extinguishing. There was surprisingly little damage to the equipment and instrumentation, the dials and switches and levers evidently meant to control the craft; much of it had simply been crushed longways where it stood.

But there was a smell, reminiscent to me of the hospitals of my military service.

I withdrew my head. "I am not sure what I expected," I murmured. "More... carnage, I suppose."

Tarquin frowned thoughtfully; then he extended his index finger and pointed upwards.

I looked up.

It was as if a dozen bags of rust-brown paint had been hurled into the air. The upper walls and ceiling of the ship, the instruments, dials and switches that encrusted the metal, even the cabin's one small window: all were liberally coated with dried blood.

"Good Lord," said Wells, and his face blanched. "How did that get up there?"

Tarquin said, "The coroner concluded the vessel must have rolled over as it fell, thus spreading my brother's blood through its interior."

As we moved on, Wells muttered to me, "Such a size of ship, rolling over in ten feet? It hardly seems likely!"

I agreed with the young author. But Holmes would make no remark.

Tarquin took us to a gantry which crossed the chamber above the wrecked ship. We stood a few inches from a bank of cables, many of which showed necking, shearing and cracking; they had clearly snapped under extreme pressure. But one cable-a fat, orange-painted rope as thick as my arm-had a clean, gleaming termination. At my feet was a gas cutting kit, and a set of protector goggles. It seemed absurdly obvious, like a puzzle set by a child, that a load-bearing cable had been cut by this torch!

Tarquin said, "Not all the cables supported the weight of the ship. Some carried power, air for the pa.s.senger, and so forth."

Holmes said, "You say you were both working up here, on this gantry, when the accident occurred? Both you and Bryson?"

"Yes. We were doing some maintenance. We were the only people in the chamber-apart from Ralph, of course. He was inside the vessel itself, performing calculations there."

Holmes asked, "And the Inertial Adjustor was in operation at the time?"

"It was."

I pointed to the fat orange cable. "Was that the main support?"

He nodded. "Although I did not know that at the time."

"And it has been cut with this torch?"

"That is right," he said evenly. He leaned against the gantry rail, arms folded. "The flame sliced clean through, like ice under a hot tap. When the big one went the others started to stretch and snap. And soon the ship fell."

"And Bryson was using the torch? Is that what you are saying?"

"Oh, no." He looked mildly surprised at Wells's question. "I was doing the cutting. I was working it under Bryson's supervision."

I demanded, "But if you were working the torch, how can you accuse Bryson of murder?"

"Because he is responsible. Do you not see? He told me specifically to cut the orange cable. I followed his instructions, not knowing that it was supporting the capsule."

"You said you are trained to know every detail of the ship, inside and out."

"The ship itself, yes, Doctor. Not the details of this chamber, however. But Bryson knew."

Wells remarked, "But it must have taken minutes to cut through that cable. Look at its thickness! Did Bryson not see what you were doing and stop you?"

"Bryson was not here," Tarquin said coldly. "As you have heard, he was taking breakfast with my sister-in-law, as was their wont. You see, gentlemen," he went on, a controlled anger entering his voice, "I was just a tool Bryson used to achieve his ends. As innocent as that torch at your feet."

Wells stared at the torch, the ripped cables. "Tarquin, your brother knew Bryson for years. He relied on him utterly. Why would Bryson do such a thing?"

He straightened up, brushing dust from his jacket. "You must ask him that," he said.

The next step was obvious to us all: we must confront the accused.

And so we returned to the drawing room of the main house, and confronted the wretched Bryson. He stood on the carpet, his broad, strong hands dangling useless at his side, his overalls oil-stained and bulging with tools. He was, on Wells's testimony, solid, unimaginative, able-and utterly reliable. I could not avoid a sense of embarra.s.sment as Holmes summarised to Bryson the accusation levelled against him.

Jack Bryson hung his head and ran his palm over his scalp. "So you think I killed him," he said, sounding resigned. "That is that, then. Are you going to call in the police?"

"Slow down." Holmes held his hands up. "To begin with, I do not know what possible reason you could have for wanting to harm Ralph Brimicombe."

"It was Jane," he said suddenly.

Wells frowned. "Brimicombe's wife? What about her?"

"She and I-" He hesitated. "I may as well tell you straight; you will find out anyway. I do not know if you would call it an affair. I am a good bit older than she is-but still-Ralph was so distant, you know, so wrapped up in his work. And Jane-"

"-is a woman of warmth and devotion," Holmes said gently.

Bryson said, "I knew Jane a long time. The closeness-the opportunity. Well. So there is your motive, Mr Holmes. I am the lover who slew the cuckolded husband. And my opportunity for murder is without question."

I found it painful to watch his face. There was no bitterness there, no pride: only a sour resignation.

Wells turned to Holmes. "So," he said, "the case is resolved. Are you disappointed, Holmes?"

For answer he filled and lit his pipe. "Resolved?" he said softly. "I think not."

Bryson looked confused. "Sir?"

"Do not be so fast to d.a.m.n yourself, man. You are a suspect. But that does not make you a murderer: in my eyes, in the eyes of the law, or in the eyes of G.o.d."

"And will the courts accept that? I am resigned, Mr Holmes: resigned to my fate. Let it be."

To that dignified acceptance, even Holmes had nothing to say.

Holmes ordered Bryson to take us through the same grisly inspection tour as Tarquin. Soon we were walking around the wreck once more. Unlike Tarquin, Bryson had not seen this place since the day of the accident; his distress was clear as he picked his way through the remnants of the support cables. He said: "The fall took a long time, even after the main support was severed. The noise of the shearing cables went on and on, and there was not a thing I could do about it. I ran out for help, before the end. And when we heard Ralph had been killed-" Now he turned his crumpled face to Holmes's. "No matter who you call guilty in the end, Mr Holmes, I am the killer. I know that. This is my domain; Ralph Brimicombe's life was in my hands while he was in this room, and I failed-"

"Stop it, man," Holmes said sharply. "This self-destructive blame is hardly helpful. For now, we should concentrate on the facts of the case."

Holmes took Bryson to the entrance cut in the capsule. With obvious reluctance the engineer picked his way to the crude doorway. The light inside cast his trembling cheeks in sharp relief. I saw how he looked around the walls of the cabin, at the remnants of the couch on the floor. Then he stood straight and looked at Holmes, puzzled. "Has it been cleaned?"

Holmes pointed upwards.

Bryson pushed his neck through the doorway once more and looked up at the ceiling of the capsule. When he saw the human remains scattered there he gasped and stumbled back.

Holmes said gently, "Watson, would you-"

I took Bryson's arm, meaning to care for him, but he protested: "I am all right. It was just the shock."

"One question," Holmes said. "Tell me how the cable was cut."

"Tarquin was working the torch," he began. "Under my direction. The job was simple; all he had to do was snip out a faulty section of an oxygen line."

"Are you saying Ralph's death was an accident?"

"Oh, no," Bryson said firmly. "It was quite deliberate." He seemed to be challenging us to disbelieve him.

"Tell me the whole truth," said Holmes.

"I was not watching Tarquin's every move. I had given Tarquin his instructions and had left to take breakfast before progressing to another item of work."

"What exactly did you tell him to do?"

He considered, his eyes closing. "I pointed to the oxygen line, explained what it was, and showed him what he had to do. The air line is a purple-coded cable about a thumb's-width thick."

"Whereas the support cables-"

"Are all orange coded, about so thick." He made a circle with his thumbs and middle fingers. "It is hard-impossible-to confuse the two."

"Did you not see what he was doing?"

"I was at breakfast with Mrs Brimicombe when it happened. I expected to be back, however."

"Why were you not?"

He shrugged. "My breakfast egg took rather longer to cook than usual. I remember the housekeeper's apology."

Wells tutted. "Those wretched eggs again!"

"At any event," Bryson said, "I was only gone a few minutes. But by the time I returned Tarquin had sliced clean through the main support. Then the shearing began."

"So you clearly identified the gas line to Tarquin."

"I told you. I pointed to it."

"And there is no way he could have mixed it up with the support cable?"

He raised his eyebrows. "What do you think?"

I scratched my head. "Is it possible he caught the support somehow with the torch, as he was working on the gas feed?"

He laughed; it was a brief, ugly sound. "Hardly, Doctor. The support is about four feet from the air line. He had to turn round, and stretch, and keep the torch there, to do what he did. We can go up to the gantry and see if you like." He seemed to lose his confidence. "Look, Mr Holmes, I do not expect you to believe me. I know I am only an engineer, and Tarquin was Ralph's brother."

"Bryson-"

"But there is no doubt in my mind. Tarquin quite deliberately cut through that support, and ended his brother's life."

There we left our inquiries for the day.

I fulfilled Holmes's request regarding the dog Sheba. On a cursory inspection I found the poor animal's limbs to be spindly and crooked from so many breaks. I collected a sample of her urine and delivered it to the Chippenham general hospital, where an old medical school friend of mine arranged for a series of simple a.s.says. He had the results within the hour, which I tucked into my pocket.

I rejoined my companions, who had retired to the "Little George" hostelry in Chippenham for the evening. They had been made welcome by a broad-bellied, white-ap.r.o.ned barman, had dined well on bread and cheese, and were enjoying the local ale (though Holmes contented himself with his pipe), and talking nine to the dozen the while.

"It is nevertheless quite a mystery," said Wells, around a mouthful of bread. "Has there even been a murder? Or could it all be simply some ghastly, misunderstood accident?"

"I think we can rule that out," said Holmes. "The fact that there are such conflicts between the accounts of the two men is enough to tell us that something is very wrong."

"One of them-presumably the murderer-is lying. But which one? Let us follow it through. Their accounts of the crucial few seconds, when the cable was cut, are ninety per cent identical; they both agree that Bryson had issued an instruction to Tarquin, who had then turned and cut through the support. The difference is that Bryson says he had quite clearly told Tarquin to cut through the air line. But Tarquin says he was instructed, just as clearly, to slice through what turned out to be the support.

"It is like a pretty problem in geometry," went on Wells. "The two versions are symmetrical, like mirror images. But which is the original and which the false copy? What about motive, then? Could Tarquin's envy of his brother-plain for all to see-have driven him to murder? But there is no financial reward for him. And then there is the engineer. Bryson was driven to his dalliance with Jane Brimicombe by the tenderness of his character. How can such tenderness chime with a capability for scheming murder? So, once again, we have symmetry. Each man has a motive-"

Holmes puffed contentedly at his pipe as Wells rattled on in this fashion. He said at last, "Speculations about the mental state of suspects are rarely so fruitful as concentration on the salient facts of the case."

I put in, "I'm sure the peculiar circ.u.mstances of the death had something to do with the nature of the Inertial Adjustor itself, though I fail to understand how."

Holmes nodded approvingly. "Good, Watson."

"But," said Wells, "we don't even know if the Adjustor ever operated, or if it was another of Ralph's vain boasts-a flight of fancy, like his trip to the Moon! I still have that vial of Moon dust about me somewhere-"

"You yourself had lunch in the chamber," Holmes said.