Instrument for perspective drawing Finish:Float frame in the mirror

in the mirror

to do without that

23rd June 1861

Many ordinary artisans wished to distance themselves from the 'vast mass of roughs' that joined in their protests

Instrument for perspective drawing Finish:Float frame in the mirrorPlate 13 figure 1 from the paper 'Sketches and descriptions of three simple instruments for drawing architecture and machinery in perspective', by James Peacock, Philosophical Transactions of the Royal Society, vol. 75 (1785), pp. 366 371. Instrument designed to prick holes in paper to coincide with points and angles on an original object being drawn. The instrument also enables the user to draw resulting perpendicular lines using a steel slider.