The boy craftsman; practical ad profitable ideas for a boy's leisure hours (1905)
Hall, A. Neely (Albert Neely), b. 1883 · Boston, Lee and Shepard · leaf 297
it acrossthe centre of the platform parallel to the tw^o-by-fours.The upper portion of the spring-boardshould be made of elastic boards, pref-erably ash. Construct a second platformsix inches longer than the first, leavingabout one-half inch between the boards,and battening the pieces together at A… … Fig. 264. AN OUTDOOR GYMNASIUM 253 This platform should be fastened to the first, with theend which has not been battened secured to the two-by-four at C. The best method of fastening the ends ofthese boards is with bolts long enough to extend throughthe two platforms and project an inch or more…
Woodwork · Toys · Amusements
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