Pantograph's or pointing machines are used for scaling three dimensional works. They are adjustable and this one has ratios stamped on the main pole of 1:4, 1:3.5, 1:3, 1:2.5, 1:2 .
Stainless steel looking knife that is broken. Looks like it was modified and made into a scraping tool. Knife has "Ger - French Snick" imprinted on the underneath of handle.