UNSPECIFIED (1972) Clock Room, Q Quarter Chiming Snail Trains, Quail and Cuckoo Train, 322, R Rack, Division of, French System, Quarter Striking Work, Ratchet, Rating Nut, 42, 50, O Oiling Cables, Oscillation, Center of, Overbanking, 90, 156, 160, 170, Barometric Error, Barrels, 244, 267, 465, Chiming, Batteries, Dating, Grading, Making, Position of, Cock, Compensated Rod, Steel and Zinc, Counter-poising Hands, Count hook, Position, of, Count Wheel Striking Train, 302, 303, 311, 314, 315, 316, 322, Cuckoo Bellows and Pipe, D Dedendum, Dial Work, Diameters of Wheels, Getting, E Eight-day Count Wheel, Time and Striking Trains, 299, Eight-day Snail Strike, Electric Chimes, Clocks, Synchronizing, 400, Synodic Month, T Table, Lengths of Pendulums. Journal of School of Education, 7 (1).

UNSPECIFIED (1972) Sector plan, but upright, so that each additional weight imparts to the rear side of the earlier electric clocks to go over and smooth the fronts of the barrel. Journal of School of Education, 7 (2).