The workshop of Master Bela Tern was tucked into the narrow, cobbled alley of Clockmaker’s Lane in the South Ward, beneath the overhanging timber roof edges of the ancient guildhall wall.
Inside, the room smelled of refined whale oil, sweet turpentine, sulfur-free coal smoke, and seasoned boxwood. Hundreds of brass gears, swinging weight rods, ivory fine-scale scales, and glass sounding tubes hung from cedar racks along the walls. The only sound was the timed together, rhythmic ticking of sixty care clockworks.
Master Bela Tern was seventy-two years old, with eyes as clear and sharp as chipped flint behind triple-mounted magnifying loupes, his white hair cropped close to his skull. On his bench lay a green velvet cloth upon which Tomas and Nessa had placed the rusted through brass recording gauge from Station Three.
Bela had spent three hours with fine brass scrapers, warm vinegar baths, and bone screwdrivers, carefully clearing forty years of green rust from the casing.
Tomas sat on a low oak stool by the coal stove, his left forearm resting in its cedar splint, the throbbing ache a constant, rhythmic presence. Beside him, Nessa Vale took notes in her land-mapper’s journal, her sound horn resting on the worktable.
“Look at the lead wafer, Carrier Reed,” Master Tern said. He pointed with a pair of ivory tweezers to the seal across the drum latch. “That’s Eska Dorn’s master mark. Stamped with the three-toothed weir punch I made for him with my own hands in thirty-eight. The seal has never been broken.”
With a delicate, razor-sharp quill knife, Bela cut the silk cord. He loosened the four knurled thumb-screws. Then he lifted the heavy brass bell-housing from the clockwork assembly.
Inside, preserved in an airtight cavity sealed with sheep fat, sat the recording gearwork. An eight-day spring-driven brass drum around which was wound a nonstop ribbon of punched holes in copper foil two inches wide.
Along the surface of the copper foil, an agate metal pen had punched a nonstop, waving series of tiny indentations, recording the water level every five minutes against an engraved upright scale.
Bela unrolled the copper ribbon beneath his master measuring microscope, lighting up the metal with a focused animal fat lamp.
“Here is the morning of twelve autumn forty-two,” Bela said. His dry voice shook with fierce, righteous anger. “Six o’clock: Level Four. Seven o’clock: Level Six. Eight o’clock: Level Seven and a half. The river was rising, yes, but within normal high-water settings for the autumn spate.”
Tomas leaned forward. “And at nine-thirty? The hour the Restoration Council claimed the water reached Level Fourteen?”
Bela adjusted the hair-width screw, bringing the lens to the nine-thirty timestamp.
“Look for yourself, Surveyor Vale,” Bela said, stepping back from the lens.
Nessa looked through the magnifying glass. Her knuckles whitened on her notebook.
“Level Nine point two,” Nessa whispered. “Nine point two! That’s nearly five feet below the emergency spillway lip! The levee was in no danger of overtopping! The water could have been safely held behind the gates for another twenty-four hours!”
“And look at the clockwork linkage at nine-forty,” Bela added. He pointed with a steel probe to the external lever arm. “See that deep, three-sided gouge in the brass? An iron wedge was hammered into the linkage from the outside, wildly forcing the needle up to Level Fourteen. Meanwhile, the drum was stopped. That wasn’t a water surge. That was an iron wedge driven with a blacksmith’s hammer!”
Tomas stood up, his right hand gripping his ash quarterstaff.
“They drove the wedge to create a fraudulent record,” Tomas said, the cold truth falling into place like an iron deadbolt. “Then they blew the dyke with siege powder, drowned the lower basin, and left Dorn to die in the sump so he couldn’t testify to the true measure.”
Master Bela Tern took a fresh sheet of heavy parchment bearing the official blind-stamp of the Master of Measures. In his neat, sharp-angled hand, he wrote:
FORENSIC CERTIFICATE OF Water-weight MEASUREMENT. Black Marsh Gauge No. 3 examined this day. Approved true reading at 9:30 AM, 12 Autumn 442: Level 9.2. Finding of Level 14.0 declared a fraudulent clockwork fabrication caused by physical tampering. Checked under master seal: Bela Tern.
He pressed his heavy brass seal into hot red wax at the foot of the certificate and handed the paper to Tomas.
“Take this to the Bond Court, Carrier Reed,” Bela said, his eyes burning with solemn fire. “Forty years of drowned cottages are crying out from that copper tape. Make the judges look upon the true measure.”
Before re-housing the clockwork drum for court transport, Master Bela Tern unlocked a narrow cabinet of seasoned pearwood behind his workbench and brought out the original leather-bound Calibration Ledger of the Town Water Corps for the years 435 through 442. Turning to the entry for Sluice Station Three with his ivory-tipped fingers, the old horologist laid the brass master template he had used to engrave the upright water-pressure scale directly over the punched holes in copper ribbon from the marsh. Every five-minute pin-punch produced by the agate metal pen lined up to the thousandth of an inch with the master template’s gear pitch, proving that the spring barrel had run at its true controlled beat until nine-forty in the morning. Just then, the external iron wedge had snapped the bronze gear catch teeth. Then he locked the balance wheel dead at the moment of sabotage.
Nessa Vale stood at the drafting slope beside the window. She used a fine crow-quill pen and India ink to prepare a scaled one-to-one clockwork height of the damaged linkage arm and the snapped gear catch wheel to attach as a building schedule to Bela’s certificate. With a small magnetized steel needle suspended from a silk thread, she tested the three-sided gouge in the brass lever arm and showed that tiny slivers of forged iron from the saboteur’s wedge were still embedded in the softer yellow brass at the bottom of the notch. She sealed the magnetic test reading and the hair-width measurements into the schedule margin, signing her name and her town land-mapper’s license number beneath Master Tern’s red wax wafer.
By the coal stove, Tomas rested his braced left arm across his knee. Meanwhile, Master Tern’s apprentice—a quiet boy of sixteen with whale-oil stains on his apron—brought a basin of warm alum water and a fresh roll of raw, unwhitened linen to replace the marsh-stained outer bandage over the cedar splints. While the boy tied off the linen with neat square knots, Bela Tern examined the figure-eight saddle-webbing harness Nessa had rigged on the water gate terrace. Then she made a small, practical modification of his own. From his scrap bin of clock-weight tackle, the old master selected a curved bronze hook-plate lined with chamois leather and riveted it to the front of Tomas’s cedar splint, giving him a rigid clockwork catch that could bear forty pounds of upright pull directly through the leather elbow-cuff without straining the healing flexor sheath.
Tomas bent his right shoulder to test the bronze hook-plate against the cross-strap of his pack frame. He felt the cold, solid spreading of weight across his collarbone and upper arm bone. Across the workbench, Bela Tern carefully coiled the punched holes in copper ribbon back onto a protective spool of turned boxwood. He locked it inside a glass-topped dark wood presentation case sealed with the three-toothed weir punch so that Judge Wren could read the Level 9.2 perforations through the crystal without any clerk’s fingers touching the delicate copper foil.
Tomas accepted the certificate with his right hand. It slid it into his haversack beside the four hazel tally rods. The chime in his chest was rising again, deep, heavy, and ringing.