Leitz W large dissecting simple microscope
Datecirca 1925
Inventory Number1996-1-0125
ClassificationMicroscope
Subject
Maker
Ernst Leitz (company)
1849 - 1986
UserMade by
Gray Herbarium
founded 1842
Cultural Region
Place of Origin
Dimensionsmicroscope: 16.8 × 12 × 15.2 cm (6 5/8 × 4 3/4 × 6 in.)
case: 26 × 18.8 × 19.2 cm (10 1/4 × 7 3/8 × 7 9/16 in.)
case: 26 × 18.8 × 19.2 cm (10 1/4 × 7 3/8 × 7 9/16 in.)
Material
Accessoriesaplanatic lens: 16x; matte white porcelain insert; handrests (2); case with key
Bibliography
DescriptionThis is a Leitz simple dissecting microscope, model W.
It is has a cast-iron horse-shoe shaped base with rounded edges. It is painted glossy black. The post is cylindrical and bright brass. It carries an articulated arm. The arm has a ring mount for the lens. Focus is by rack and pinion.
The rectangular stage has a glass top. There is a blackened brass tray below the stage with a wheel diaphragm. The stage clips are missing.
The mirror has one plane side and one side with a white disk. It is mounted on a swinging arm below the stage.
This instrument is accompanied by one lens (16x), two leather-covered handrests, and a white porcelain tray to slide underneath the glass stage and above the diaphragm plate.
A standing wooden case for storage accompanies this instrument. It has nickel-plated hardware, and is padded in places with dark burgundy velvet. The dovetailing on the case is angled.
It is has a cast-iron horse-shoe shaped base with rounded edges. It is painted glossy black. The post is cylindrical and bright brass. It carries an articulated arm. The arm has a ring mount for the lens. Focus is by rack and pinion.
The rectangular stage has a glass top. There is a blackened brass tray below the stage with a wheel diaphragm. The stage clips are missing.
The mirror has one plane side and one side with a white disk. It is mounted on a swinging arm below the stage.
This instrument is accompanied by one lens (16x), two leather-covered handrests, and a white porcelain tray to slide underneath the glass stage and above the diaphragm plate.
A standing wooden case for storage accompanies this instrument. It has nickel-plated hardware, and is padded in places with dark burgundy velvet. The dovetailing on the case is angled.
Signedon glass stage: E. Leitz Wetzlar
on lens: E. Leitz Wetzlar
Inscribedon tags on case and tabe on heel: Gray / 6
ProvenanceProfessor Peter Stevens, Gray Herbarium, Harvard University, Cambridge, MA
Historical AttributesThis instrument was given by Professor Peter Stevens of the Gray Herbarium, Harvard University, Cambridge, MA.
Ernst Leitz (company)
Date: circa 1925
Accessories: handrests (2); opal stage plate; 20x Leitz lens; 19mm Bausch & Lomb Coddington lens; case; key
Object number: 1999-1-0077
Ernst Leitz (company)
Date: circa 1910
Accessories: handrests (2); opal stage plate; 20x lens; case; key.
Object number: 1999-1-0076
Ernst Leitz (company)
Date: circa 1896
Accessories: magnifiers (2): 20x and 16x; case with key
Object number: 1997-1-1879
Ernst Leitz (company)
Date: circa 1899
Accessories: handrests (2); case
Object number: 1344
Ernst Leitz
Date: 1910-1920
Accessories: case; key; magnification card.
Object number: 2008-1-0054
Nachet et Fils (I)
Date: 1862-1880
Accessories: 2 handrests; 2 magnifier lenses; case.
Object number: 1331
Ernst Leitz (company)
Date: circa 1896
Accessories: case
Object number: 1343
Ernst Leitz (company)
Date: circa 1919
Accessories: oculars (2): 3, 8x; accessory box; Leitz objectives (5); wrenches (2); ground glass; N.A. 1.45 condensor cap; Abbe condensor; rotary stage; case
Object number: 1345
Ernst Leitz (company)
Date: circa 1937
Accessories: standard eyepieces (3): 8X P, Periplan. OK 10X, and Periplan. Ok. 25X; wide eyepieces (3): 1, 1, 8X, 10X; objectives (4) in fitted case: 1b 4.3X, 3 10X, P7 62X, P 1/12 oel; waveplates (2); condenser with polarizer; mechanical stage; loupe 6x; box of cover glasses; standing case; key; objective adaptors (4); and watch keys (2)
Object number: 1999-1-0020a
Carl Zeiss, Optische Werkstätte, Jena
Date: circa 1902
Accessories: oculars (5); objectives (5); microplanar objectives (2); iris diaphragm; abbe condenser; collars and sleeves for photography; parts box; Leitz object micrometer (1308b); cardioid condenser (1308d); immersion oil bottle (1308c) ; Leitz erecting prism (1308e); standing case with key
Object number: 1308a
Triple Alliance: Zeiss - Bausch & Lomb - Saegmuller
Date: 1908-1915
Accessories: coddington magnifiers (2): 38mm, 19mm; handrests (2); wooden case
Object number: 1997-1-1880