$123
Three Drafting or Plotting Instruments, 19th century, a brass protractor with extended arm with several imperial unit scales, and a vernier; a mahogany station pointer marked R.A. Tifield on both pointers with iron tightening knobs and points; and a mahogany pantograph with two acorn-shaped terminals, anchor disc marked WG on the underside, and graduating marking holes on each arm.
Auctioneer:
Skinner
Date:
2017-04-28