$150
Three German Optical Instruments, two microscopes both with triple nosepiece, plano/concave mirror, substage diaphragm, coarse and fine focus, one an E. Leitz No. 163158, the other an Otto Himmler No. 16556 in a wooden case, and a Carl Zeiss, Jena, butter refractometer No. 22371.
Auctioneer:
Skinner
Date:
2013-05-23