1.071
| dc.creator | Spencer Lens Company. | |
| dc.date.accessioned | 2012-02-07T13:52:49Z | |
| dc.date.available | 2012-02-07T13:52:49Z | |
| dc.date.created | About 1930. | |
| dc.date.issued | 2012-02-07 | |
| dc.description.abstract | The horseshoe base and the pillar are cast as one piece. The curved limb is attached to the base by means of trunnions. Below the square stage are the Abbe condenser, iris diaphragm, and a mirror. The body-tube with a triple nosepiece moves by rackwork, and the fine focusing is by a micrometer screw. No case and accessories. Signed: Spencer Buffalo U.S.A. 206665. | |
| dc.identifier.uri | http://hdl.handle.net/2152.3/467 | |
| dc.language.iso | en | en_US |
| dc.relation.ispartof | Spencer Lens company was founded by Herbert R. Spencer (1849-1900) and his associates in 1895. The company was the continuation of the firm established in the 1840s by his father, Charles A. Spencer (1813-1881), who is considered the first American microscope maker. It is estimated that the company had produced about 10,000 instruments by 1909. | |
| dc.subject | Biology | |
| dc.subject | Microscopy | |
| dc.subject | Optics | |
| dc.subject | American Firms | |
| dc.title | 1.071 | en_US |
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