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UNSPECIFIED (1975) French System, Quarter Striking Work, Striking Work, Ratchet, Rating Nut, 42, 50, O Oiling Cables, Oscillation, Center of, Overbanking, 90, 156, 160, 170, P Pallet Jewels, Pallets, 106, 115, 121, 126, 130, 135, 139, 141, 144, 149, 153, 186, 193, Pallets, To make, 109, 120, 135, 138, 150, 155, 162, Escapement, Brocots, 127, Cylinder, 164, 165, 166, 167, 177, 179, 181, Dead Beat, 117, Drum, Gravity, 152, 154, 157, 159, Pin, 185, Recoil, To draw Graham, Pin Wheel, Pin, 185, Pin Wheel, Gravity, Western Clock Manufacturing Company for their cheap levers. Journal of School of Art, 4 (1).

UNSPECIFIED (1975) OF WIND ON OBLIQUE SURFACES. Journal of School of Art, 3 (2).