Mechanical drawing; a treatise on the drawing of mechanical and machine details (1920)
Jones, Franklin Day, 1879-1967 · New York, The Industrial press; [etc., etc.] · leaf 198
f adjustmentfor adapting it to thesensitiveness of the blue-printing paper used, andif desired the printingcan be continuous, theroll of blueprint paperbeing fed right throughthe machine. Some ma-chines are equipped with apparatus for washing and dryingthe prints, but ordinarily the washing and… … Fig. 2. Vertical Type of Electric BlueprintingMachine 186 MECHANICAL DRAWING in Fig. 2. This machine has two half cylinders of polishedplate glass which are held in position by a suitable frame.Each half of this cylinder is provided with a curtain to holdthe tracings and whatever paper is being…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
