ANTIQUE BAUSCH LOMB PAIR KNOBS GROSS ADJUST MICROSCOPE PART AS PICTURED Y4-A-60 American Optical Co. sample specimen metallographic polished etched

sample specimen metallographic polished etched welded metal AS PICTURED #5M-X7

img{max-width:100%}EPPLEY NORMAL INCIDENCE PYRHELIOMETER LIGHT INTENSITY SENSOR AS PICTURED A7-A-01

SPENCER AO TUBUS + NOSEPIECE VINTAGE MICROSCOPE PART AS PICTURED &A7-B-15

img{max-width:100%}ZEISS WINKEL 40X OBJECTIVE LENS MICROSCOPE OPTICS AS PICTURED &85-B-88

img{max-width:100%}LEICA LEITZ DMRB ILLUMINATOR MIRROR OPTICS MICROSCOPE PART AS PICTURED #10-A-89

ANTIQUE BAUSCH LOMB PAIR KNOBS GROSS ADJUST MICROSCOPE PART AS PICTURED Y4-A-60 American Optical Co. sample specimen metallographic polished etchedANTIQUE BAUSCH LOMB PAIR KNOBS GROSS ADJUST MICROSCOPE PART AS PICTURED Y4 A 60 THANKS.