Recent developments in drawing by the aid of projection apparatus used on the house lighting system .. (1912)
Gage, Simon Henry, 1851-1944 · n.p. · leaf 19
e separate parts If one already possesses some of the parts, and has a little ingenuity, a drawing out-fit can be assembled m the laboratory or home which will answer all requirements at aconsiderable saving of expense, although it may lack some of the conveniences in theregularly made outfits. If… … Fig. 2
Lantern projection · Projection · Drawing
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
