URBAN

MICROSCOPES AND ATTACHMENTS, NAMELY CAMERA ADAPTORS, GEAR-DRIVEN HEADS, COUNTER-WEIGHTED SLIDING MECHANISMS FOR POSITIONING MICROSCOPES, FLOOR, WALL OR CEILING MICROSCOPE SUPPORTS WITH MICROSCOPE SOLD AS A UNIT; X-Y UNITS FOR CUSTOMIZING THE POSITIONING OF MICROSCOPES; OPTICAL COUPLINGS - NAMELY, LASER RELAYS; BEAM SPLITTERS; BINOCULAR AND MONOCULAR VIEWING ATTACHMENTS; MOVIE CAMERAS, CLOSED-CIRCUIT TELEVISION CAMERAS, 35 MILLIMETER CAMERAS AND MOTOR DRIVES THEREFOR; CAMERA CASES AND PARTS THEREFOR; LENS CHANGERS; OBSERVER VIEW TUBES ATTACHED TO OPTICAL COUPLINGS, BEAM SPLITTERS AND MICROSCOPES; FLASH LAMP ASSEMBLIES; POWER SUPPLIES; AND PROTECTOR SHIELDS - NAMELY, STERILIZEABLE OPTICAL WINDOWS TO PROTECT MICROSCOPE OBJECTIVE LENSES