Title
Plotter, Protractor, Pioneer Instrument, Mark II. Creator: Pioneer Instrument Company.
Caption
2-armed hinged mechanism w/yellow celuloid rule attached
Credit line
Photo12/Heritage Images/Heritage Art
Reference
HRM21A88_293
Model release
NA
Property release
NA
License type
Rights managed
Available size
38,1Mb (657,2Kb) / 12,2in x 12,2in / 3648 x 3648 (300dpi)