Quartz prism of right rotation
Quartz prism of right rotation, by Adam Hilger Ltd., used by the late Col. J. W. Gifford
right-handed quartz prism, by Adam Hilger Ltd., used by the late Col. J. W. Gifford with case.
Quartz prism of right rotation, by Adam Hilger Ltd., used by the late Col. J. W. Gifford
Case for Quartz Prism of right rotation, by Adam Hilger Ltd., used by the late Col.J.W. Gifford