Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 105
he base of the triangle. A pendulum,when the instrument is on level ground, bisects the base,and when on an Inclination gravitates to right or left fromcenter accordingly. A drum, rotated by gearing from oneof the carriage wheels, carries sectionally ruled paper,upon which pencil on pendulum traces… … Mechanical Movements. lOI 412. Wheel-work in the base of capstan. [Thus pro voided, the capstan can be used as !a simple or compound machine, single or 1triple purchase. The drumhead and barrel |rotate independently ; the former, being |fixed on spindle, turns it round, and when |locked to barrel…
Mechanical movements
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