Pella had first drafted the safety protocols for the Courtesy Bridge in her father’s old ledger. Then, she had written the words Thirty-Second Emergency Red-Tab Return as if they were a comforting guarantee. On clean rag paper, thirty seconds looked instant. It was half a minute on a wall clock, the time it took to dip a pen and blot a signed name, a tidy margin of building grace between a worker and harm.
On the wet flat stone slabs at the bottom of the Sluice Museum stairs, with a fractured fine china collar shrieking like a butchered hog twelve feet away and the air thick with scalding lime-mist, thirty seconds was a lifetime of physical survival that had to be bought one heartbeat at a time.
The Courtesy Bridge couldn’t snatch a living body across the worlds on the instant of a pulled cord. In the early days of her apprenticeship, Pella had tested zero-delay phase snaps on dead mutton joints and clay pot jugs of salt water. Without a thirty-second ringing unwind to let the iron balance weights equalize the air-pressure and gravity offset between Yorkshire and Lowbank, fluid inside bone marrow boiled and half-round canals inside the inner ear burst from instant pressure shear. The brass gear catch wheel ticking on Ada Morland’s wrist was saving her brain from heavy bleeding—and holding her body in the cellar while it did so.


