Manual training--play problems; constructive work for boys and girls based on the play interest (1917)
Marten, William Samuel, 1877- · New York, The Macmillan company · leaf 44
SIDE VIEW 4- ! -BITS 0F|6LAS8 , --jj-i-s.a--^.taa.d- … VIE.W struct, fasten two pieces of mirror glass together with a piece ofgummed cloth or tape. To use, set it on end with the two mirroredsurfaces at right angles placed around the design to be used. Withthis double mirror a design can be made to multiply itself four times. 16 MANUAL TRAINING —PLAY…
Manual training · Toys · Games
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
