GG-I-460 1952 Edition, July 21, 1952
Includes all amendments and changes through Cancellation Notice 1, April 14, 1990
Additional Comments: CNCL NO S/S
This specification covers 115-volt microscope illuminators, complete.
Microscope illuminators covered by this specification shall be of the following types, as specified in the invitation for bids:
Type I. --Substage, daylight, a.c.-d.c. Type II. --Junior, darkfield illumination and general use, a.c.-d.c. Type III.--Senior, darkfield illumination and general use, a.c.-d.c. Type IV.--Adjustable, darkfield illumination and general use, a.c.