Manual training toys for the boy's workshop (1919)
Moore, Harris W · Peoria, Ill., The Manual arts press · leaf 87
f a wheel, makes it very durable. Such a hole would doubtless have to be bored with an expansive bit. A bicycle frame is easily filed in two at some distance from the reinforced joints. Such a piece should be longer than the thickness of the wheel to allow filing it flush after it is driven in. To…
Manual training · Toys · Manual training -- Methods and manuals
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.
