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1. (SANITIZED)UNCLASSIFIED PRODOUCT BROCHURES(SANITIZED)

   photomultipliers or Pbs Photocell-see p. 4). The reading instrument is a moving scale galvanometer. The projected ... be inserted in the light path of the exit slit. This periscope reflects the beam downwards and then upwards ... so as to give passage to the beam which is vertically reflected by the periscope. The cell holder must therefore ...

2. ANTARCTICA SECTION 22 OCEANOGRAPHY AND COASTS

   with weathering, from original daz- zling white to blue. tide crack a crack in sea ice, usually paral- lel ... and seaward ice projections. For example, on the eastern side of Palmer Peninsula in the vicinity of Lockyer ...