PREPARED SLIDE INSECT 1904's MICROSCOPE PART AS PICTURED #P4-B-69 Spencer Lens Co. img{max-width:100%}OPTICAL LENS CONCAVE CONVEX LASER

img{max-width:100%}OPTICAL LENS CONCAVE CONVEX LASER OPTICS AS PICTURED &92-22

img{max-width:100%}NEWPORT RESEARCH NRC LH-MU + OBJECTIVE 5X MOUNTED OPTICS AS PICTURED &8C-A-48

KIMBALL PHYSICS eV LOT TUNGSTEN WIRE HIGH VACUUM RATED AS PICTURED  #W1-A-28

img{max-width:100%}LEITZ GERMANY POL EYEPIECE + MICROMETER GF 10 MICROSCOPE PART AS PICTURED 8-A-74

ANTIQUE BAUSCH LOMB BRASS UNKNOWN ASSEMBLY MICROSCOPE PART AS PICTURED #B7-A-36

PREPARED SLIDE INSECT 1904's MICROSCOPE PART AS PICTURED #P4-B-69 Spencer Lens Co. img{max-width:100%}OPTICAL LENS CONCAVE CONVEX LASERPREPARED SLIDE INSECT 1904's MICROSCOPE PART AS PICTURED #P4 B 69 THANKS.