ANTIQUE AO SPENCER CONDENSER IRIS ASSEMBLY MICROSCOPE PART AS PICTURED #Z7-A-72 Seibert img{max-width:100%}COLLECTABLE PHOTOMASK HOETRON ELECTRONIC COMPONENTS

img{max-width:100%}COLLECTABLE PHOTOMASK HOETRON ELECTRONIC COMPONENTS RARE AS PICTURED &F5-A-120

ANTIQUE BRASS SLIP ADJUST UNKNOWN RARE COLLIMATOR SCOPE PART AS PICTURED Z4-B-71

img{max-width:100%}OPTICAL FLAT SPECTRA PHYSICS FUSED SILICA DICHROIC OPTICS AS PICTURED  &92-A-22

OPTICAL PLANO CONVEX LENS LASER OPTICS AS IS BIN #4B-30

MICROSCOPE PART EMPTY PLASTIC OBJECTIVE CONTAINER LEITZ GERMANY AS IS BIN#U2-20

ANTIQUE AO SPENCER CONDENSER IRIS ASSEMBLY MICROSCOPE PART AS PICTURED #Z7-A-72 Seibert img{max-width:100%}COLLECTABLE PHOTOMASK HOETRON ELECTRONIC COMPONENTSANTIQUE AO SPENCER CONDENSER IRIS ASSEMBLY MICROSCOPE PART AS PICTURED #Z7 A 72 THANKS.