Queen & Co. large compound microscope
Date: circa 1900
Inventory Number: 1146
Classification: Microscope
Subject:
Maker: Queen & Company (1893 - 1912)
Owner: Reginald A. Fessenden (1866 - 1932)
Cultural Region:
Place of Origin:
Dimensions:
microscope: 35 × 16.5 × 10.2 cm (13 3/4 × 6 1/2 × 4 in.)
case: 36 × 19 × 19.7 cm (14 3/16 × 7 1/2 × 7 3/4 in.)
Accessories: objectives (3): 1/8, 1/4, 2/3 "; ocular; filar micrometer eyepiece;mechanical stage; case
Description:
This is a Queen & Co. large compound microscope. The stand is inclinable and the base is horseshoe-shaped. The base supports a round pillar with a hinge holding the post with the fine adjustment knob on top. A flange attaches the post to the vertical monocular body, which has a revolving triple nosepiece. For the coarse adjustment, there is rack and pinion.
There is a square mechancial stage with a vulcanite surface. The stage is fitted underneath with a magnifier and a disc diaphragm. There is also a substage mirror on a swinging arm with a groove permitting the mirror to slide up and down.
The instrument is stored in a wooden case.
There is a square mechancial stage with a vulcanite surface. The stage is fitted underneath with a magnifier and a disc diaphragm. There is also a substage mirror on a swinging arm with a groove permitting the mirror to slide up and down.
The instrument is stored in a wooden case.
Signedon instrument: QUEEN & CO. PHILADA.
Historical AttributesThis instrument was used for radio research by Reginald E. Fessenden [See early file card for further information].
ProvenanceErnst-Lewis Collection, Harvard Medical School