MICROSCOPE PART OBJECTIVE CARL ZEISS GERMANY EPIPLAN HD 4X OPTICS AS IS #4T-B-03 W. Watson & Sons 3 LONG WAVELENGTH ELECTRO OPTICAL

3 LONG WAVELENGTH ELECTRO OPTICAL AS IS BIN#V7-06

img{max-width:100%}HUGE BAUSCH LOMB CONDENSER + IRIS  DIAPHRAGM MICROSCOPE PART as pictured Q5-B-32

img{max-width:100%} FOR PARTS OLD SINGER SEWING MACHINE MODEL PULLEY ASSEMBLY as picture &H9-B-61

UNITRON CONDENSER + IRIS OPTICS MICROSCOPE PART AS PICTURED &Q9-A-150

VINTAGE QUARTZ CRYSTAL  1930's FREQUENCY UNKNOWN &9-A-40

MICROSCOPE PART OBJECTIVE CARL ZEISS GERMANY EPIPLAN HD 4X OPTICS AS IS #4T-B-03 W. Watson & Sons 3 LONG WAVELENGTH ELECTRO OPTICALIt has a bent on the thread, still usable. MICROSCOPE PART OBJECTIVE CARL ZEISS GERMANY EPIPLAN HD 4X OPTICS AS IS #4T B 03