← 100Fig. 1 — General arrangement · elevation, facing WednesdayDo not scale · do not operate

General notes

  1. All dimensions approximate unless measured, in which case wrong.
  2. Truss (item 5) to be assembled in a room with no corners.
  3. Tolerances: generous. Fits: sulking.
  4. Machine shall not be run in the presence of philosophers or cats.

Parts list — tap to locate

  1. Grand flywheel of regret — turns only when unobserved
  2. Idler pinions of mild opinion (pair)
  3. Tuesday intake hopper, afternoons only
  4. Boiler, Assam-fired, 2 sugars max. pressure
  5. Impossible truss — rigid in three dimensions, pick two
  6. Möbius drive belt — lubricate the other side
  7. Hesitation governor
  8. Output: one (1) cup, eventually
  9. Sighing cylinder & connecting rod
TitlePerpetual Tea-Tide Engine, Mk. IV
DrawnO. Pellwright
CheckedNobody, twice
Scale1 : Whimsy
Sheet3 of 2
Dwg. no.TT-0404-∞ rev. Q