Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice (1921)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 41
his square can be firmlysecured in its seat at anypoint. When the bladeis carried entirely to thefront of the handle, it islike an ordinary try-square; and the movmgof the blade makes thesquare equally perfectdown to I inch length ofblade, or even less. Withone adjustable square ofthis kind, six… … Adjustablc-Blade Try-Square TTTpTT TTTTTTT TTTJTTT lililililililililililililillilililililihlililililililild^ Mil MMIlj Fig 5G. Removable-Blade Try-Square PATTERN MAKING 27 shown in Fig. 55, in being self-contained, no screwdriver beingnecessary for moving the blade or securing it in position, and…
Patternmaking
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