painted concrete of the tuning room floor, which is cold enough through your boots that Bev keeps a square of carpet by the bench

Generator open — do not walk on the cover

Tuning room, back of the rink · nine wheels, one shaft, one motor · carnival is Saturday
WHEELS CALLED RIGHT IN THIS ROOM: 0
GOOD WHEELS TAGGED BY MISTAKE: 0
CALLED WITHOUT THE STROBE: 0

Generator shaft — cut-away cover off

NO WHEEL SELECTED. Tap a wheel to wipe the oil off the stamp and pick it up.

Keyboard stub — nine keys wired straight to the pickups

Hold two at once. Keys 1–9 on your keyboard work too.

Strobe disc — 60-cycle neon, synchronous catch

DISC: 0 R.P.M. — crank it round with your finger.
Lamp runs off whichever wheel you latch. Ring band count is printed on the disc to match the book figure — a wheel cut right stands dead still.
3:45

Bev Hallonquist, arms in the console

Frequency chart — generator wheels

SHAFT: 60 R.P.M. SYNCHRONOUS · MAINS 60 CYCLE
f = TEETH × R.P.M. ÷ 60
WHLNOTECYCLES/SEC (BOOK)RING
Pencil, margin, not Bev's hand: ring numbers count from the outside in. 4th ring is scratched, use the lamp closer.

Bench log