drum compound microscope
Datecirca 1801
Inventory Number1216
ClassificationMicroscope
Subject
Maker
François-Antoine Jecker
fl. 1790 - 1820
Cultural Region
Place of Origin
Dimensionsmicroscope: 15 × 4.8 × 4.8 cm (5 7/8 × 1 7/8 × 1 7/8 in.)
case: 6.4 × 16.9 × 8.8 cm (2 1/2 × 6 5/8 × 3 7/16 in.)
case: 6.4 × 16.9 × 8.8 cm (2 1/2 × 6 5/8 × 3 7/16 in.)
Material
Accessories1 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.
DescriptionDrum microscope of brass made in France but of the English pattern.
It has two large oval apertures for accessibility to the stage and substage mirror. The body tube contains a two lens eyepiece, field lens, and one objective. Focus is by draw tube. Fixed stage is spring loaded for slides. Tiltable substage mirror is unusual in being covered with a convex lens over a back-silvered mirror.
The instrument has a flat mahogany case with cushions of deep blue-green wool. Accessories include a thin watch glass; a brass tweezers; an oblong glass slide; and an ivory slide of prepared specimens.
It has two large oval apertures for accessibility to the stage and substage mirror. The body tube contains a two lens eyepiece, field lens, and one objective. Focus is by draw tube. Fixed stage is spring loaded for slides. Tiltable substage mirror is unusual in being covered with a convex lens over a back-silvered mirror.
The instrument has a flat mahogany case with cushions of deep blue-green wool. Accessories include a thin watch glass; a brass tweezers; an oblong glass slide; and an ivory slide of prepared specimens.
SignedOn front of barrel: JECKER / à Paris
Inscribedon barrel: No. 57
ProvenanceDavid Wheatland purchased from Alain Brieux, Paris, November 11, 1963 (lot 13/14). Donated to CHSI February 2, 1964.
François-Antoine Jecker
Date: circa 1801
Accessories: 1 Objective, glass missing ; spring loaded holder for slides; no case.
Object number: 1228
Harmanus van Deyl
Date: 1807
Accessories: 2 objectives; 2 eye lenses for a fixed field lens; 1 Lieberkühn; frogplate; bull's eye; stage forceps; spring stage; live box; hand lens; 2 tweezers; 2 boxes with 59 specimen slides; glass disk; black disk; "fish" tube with wire; ivory box of mica cover slips; 5 glass slides; 3 lenses; 2 keys.
Object number: 2002-1-0075a
I. M.
Date: circa 1820
Accessories: Two wooden slides with 6 positions and cardboard sheaths.
Object number: 1155
I. M.
Date: circa 1820
Accessories: wooden slide with 6 positions
Object number: 1050
George Adams (I)
Date: circa 1770
Accessories: objective (8); objective (3) with Lieberkühns; eyepiece (2); eye shade; lens to make the stand a simple aquatic microscope; hand lens; insert (7) for stage; insect box; spring clamp (2); narrow ivory slider (11); narrow ebony slider (9); wide wooden slider (6); ivory box (2) for mica covers; specialized tweezer (4); ivory handled dissection tool (3); flexible arm for holding a magnifying lens; small articulated bull's eye to fit on stage; special four-position slider for quick mounting of small specimens; lens of ~45 mm diameter
Object number: 2002-1-0047
Edward Bryan
Date: 1866-1879
Accessories: objectives in canisters (3): 1/4, 1, 2 inch; ocular; live box; box of cover slips; prepared slides (5 small, 12 large); ivory slide; 5 powdered specimens in blue paper; bull's eye condenser; stage forceps; standing case with parts drawer.
Object number: 1085
Edward Marmaduke Clarke
Date: 1838-1840
Accessories: 5 objectives for simple microscope; 2 objectives for compound microscope (1 in can; 1 with lieberkuhn); cup diaphragm with lieberkuhn in brass box; brass box of cover slips; stage forceps; tweezers; 2 live boxes; frog plate; bull's eye; fish tube wire; wrench; chamois; 2 unmounted lenses; 40 prepared slides; standing case; 2 keys.
Object number: 1018
English
Date: circa 1795
Accessories: 1 ocular; 6 objectives: 1 to 6; stage condenser; stage forceps; live box; live well (watch glass); black/white stage plate; fish tube; 6 prepared wooden slides; tweezers; dissecting needle; a quill; bull's eye lens on stand; round brass box; 3 narrow glass slides; 3 glass slides; flat mahogany case.
Object number: 1303
John Dollond (II)
Date: 1775-1800
Accessories: objectives (6); magnifier; brass slider with 4 positions; short brass slides with condensors (3); ivory slides (7); ivory box with mica covers and rings; horizontal case
Object number: 1224
Claude-Siméon Passemant
Date: 1749-1769
Accessories: ocular; objectives (7); bull's eye condenser; Lieberkühn for stage mounting; cone diaphragm; spring frame for slides; frog plate; stage forceps; large and small black and white disks (2); round micrometer slide with fine wire screen; low-power lens; black aperture disk; brass slider for 4 specimens; ivory slides--rectangular (6); ivory slides--circular (2); brass slide with aperture to hold circular ivory slides; boxes (2) of round ivory slides (40 in total).
Object number: 1182
Benjamin Wood
Date: 1820
Accessories: 10 objectives, numbered 1-10 (caps on 1 and 2); 4 objectives with lieberkuhns (one lens missing); 2 oculars; 3 simple lenses in eye cups; diaphragm cone; live box; spring stage; three-wing stage; double-convex lens on rod; simple-lens carrier on an arm; ivory black/white disk; 1 ivory disk with cork; 3 flat glass disks of differing sizes; 1 large glass disk in threaded brass rim; 1 watch glass; 3 large glass, magnifying lenses, one tinted green; 2 small magnifying glasses; stage condensor; fish plate; 2 stage forceps; 1 stage 3-pronged gripper; tweezers; 3 ivory handled knives for preparations; 10 small and 3 medium ivory slides of transparent specimens; 3 ivory slides of opaque specimens; 3 boxwood slides of transparent specimens; 1 brass wet-cell slide with 4 apertures for preparations; 2 cylindrical ivory boxes with mica cover slips and snap rings; wrench; chamois; flat case with sockets for the above; key.
Object number: 1002
Georges Oberhaeuser
Date: circa 1845
Accessories: objectives (3): 7 and 4 on nosepieces, unnumbered one detached; oculars (2); bull's eye condenser; live box; glass slides (4); case; key.
Object number: 1384