Swift Petrological Microscope
Microscope for looking at thin sections of rock, in fine condition,
complete with case.
The date of the instrument is 1908 or earlier, it has the serial no.
13066, while turner dates a Swift Petrological microscope, in "The
Great Age of the Microscope" with the serial no. 13088Hy as 1908.
Case 38 x 24 x 15cm
Early 20th Century.