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Humboldt State University ® Department of Chemistry
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Description:
The instrument came in its original box, with leather case, manual, bottle of 1-bromonapthalene and original glass test-block (nD = 1.46686; 0.801" x 0.311" x 0.155"; one side and one end are polished).
1 After 1941 B&L went to a letter system for serial numbers, with two letters preceeding the serial number. The first letter is the date letter, while the second is a class designation. Personal communication, Stuart Warter, California State University, Biology Dept., Long Beach State University (1998). The date letters are tabulated in Bracegirdle, Brian. Notes on Modern Microscope Manufacturers. Quekett Microscopical Club, Oxford (1996).
Refractometer Exhibit Catalog |
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