St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 47
anotherwire as soou as the button is pushed and B is forceddown to A. The bottom of the little button rests uponthe top of B. Fig. 53 shows a Tabic Clavip-Piish for use on diuing-tables, card-tables, chairs, desks, and other movable fur-
Electricity
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