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Magnification Table
ARCHIVAL ITEMS
instructions
W. R. Prior & Co.
Europe: United Kingdom, England, London WC1
August 1937
card
overall: 57 mm x 115 mm
2009.448/2
ARCHIVAL ITEMS
instructions
W. R. Prior & Co.
Europe: United Kingdom, England, London WC1
August 1937
card
overall: 57 mm x 115 mm
Small printed card bearing a table of magnification values for six eyepieces (1-6) and three objectives (2/3in, 1/6in, 1/12in oil immersion).
2009.448/2
Gift of Worthing High School, 2009