Secretan-type drum compound microscope
Datecirca 1855
Inventory Number1247
ClassificationMicroscope
Subject
Maker
Marc François Louis Secretan
1804 - 1867
Maker
Secretan
founded 1855
Maker
Lerebours et Secretan
fl. 1845 - 1855
Cultural Region
Place of Origin
Dimensionsmicroscope: 26 × 8.2 × 13.5 cm (10 1/4 × 3 1/4 × 5 5/16 in.)
case: 9.9 × 28.9 × 15.7 cm (3 7/8 × 11 3/8 × 6 3/16 in.)
case: 9.9 × 28.9 × 15.7 cm (3 7/8 × 11 3/8 × 6 3/16 in.)
Material
Accessories1 Eyepiece; 1 objective; horizontal case.
DescriptionMedium drum compound microscope in the French pattern of Secretan. Rack and pinion focus of the body tube. No ocular draw tube. Bull's eye lens on articulated arm attached to front of body tube. Round stage of darkened brass. A slot in the drum below the stage enables the user to rotate a wheel diaphragm. Plano-concave substage mirror. Round base filled with lead and covered with green felt. There is one eyepiece and a convertible objective.
With fitted mahogany case with dovetails. Parts cushioned with green wool cloth. Cover to compartment has ivory or bone knob. Accessories missing.
With fitted mahogany case with dovetails. Parts cushioned with green wool cloth. Cover to compartment has ivory or bone knob. Accessories missing.
Signedon microscope: Secretan à Paris
on trade card: LEREBOURS & SECRETAN / SECRETAN, / SUCCESSEUR/ Opticien de S. A. l'Empereur, / de l'Observatoire & de la Marine / MAGASINS: 13, PLACE DU PONT-NEUF, / ATELIERS: 73 AVE FAUBOURG ST. JACQUES. / PARIS.
ProvenanceDavid Wheatland purchased from Roux-Devillas Paris, March 29, 1966 (lot 4/31). Donated to CHSI April 17, 1967.
Marc François Louis Secretan
Date: circa 1855
Object number: 1997-1-0303b
Marc François Louis Secretan
Date: circa 1855
Object number: 2007-1-0179
Georges Oberhaeuser
Date: 1840-1850
Accessories: 1 convertible objective; 1 eyepiece; 7 glass slides; 10 prepared slides labeled in French; 2 dissecting needles; trough; quartz; cover slip; box.
Object number: 1153
François-Antoine Jecker
Date: circa 1801
Accessories: 1 Objective: 1, with male thread 11mm dia. x 0.6 mm; fixed ocular; tweezers; glass slide; ivory slide with 5 positions containing 5 specimens; watch glass; mahogany flat case.
Object number: 1216
Marc François Louis Secretan
Date: circa 1850
Object number: 5233
Marc François Louis Secretan
Date: circa 1855
Object number: 1997-1-0303
Constant Vérick
Date: circa 1875
Accessories: oculars (3): 1, 2, 3; objectives (7): 0, 2, 4, 6, 8, 10 water immersion (2); substage stops (3); condenser with aperture diaphragm wheel on dovetail slide; bullseye; revolving double nosepiece; spatula; blue glass filter; case; and key
Object number: 1012
E. Hartnack & A. Prazmowski
Date: circa 1870
Accessories: objectives (2): 4 and 7; ocular: 3; tweezers; brush; 2 dissecting needles; scalpel; glass rod dropper; flat case with key; table of magnifications.
Object number: 1160
Andrew Pritchard
Date: 1835-1840
Accessories: objectives (4); oculars (6); lieberkühns (4); stage forceps; bull's eye condenser on stand; spring stage; extra mechanical stage; polarizer; cup diaphragms and holders; substage fork mount; live box; glass troughs (2); concave glass; fish tube holder; case; 2 keys. See also slide micrometers (2) (1088b,c)
Object number: 1088a