Leitz W large dissecting simple microscope
Date: circa 1925
Inventory Number: 1999-1-0077
Classification: Microscope
Subject:
Maker: Ernst Leitz (company) (1849 - 1986)
Maker: Bausch & Lomb Optical Company (1853-present)
User: Gray Herbarium (founded 1842)
Cultural Region:
Place of Origin:
Dimensions:
microscope: 16.5 × 13 × 11.5 cm (6 1/2 × 5 1/8 × 4 1/2 in.)
case: 26.5 x 18.5 x 17.5 cm (10 7/16 x 7 5/16 x 6 7/8 in.)
Accessories: handrests (2); opal stage plate; 20x Leitz lens; 19mm Bausch & Lomb Coddington lens; case; key
Bibliography:
Leitz Microscope and Accessories, Dissecting Microscopes, Etc.
Description:
This 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 nickel.
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 (20x), 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 nickel.
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 (20x), 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 20x lens: E. Leitz Wetzlar
on stage: E. Leitz Wetzlar
on coddington lens: B&L
on stage: E. Leitz Wetzlar
on coddington lens: B&L
Inscribedon the inside of the cabinet door and on tag: Gray / 1
Historical AttributesThis instrument was used in the Paleobotany Student Laboratory located in the Gray Herbarium. Harvard University, Cambridge, MA.
Primary SourcesE. Leitz, Inc., Leitz Microscope and Accessories, Dissecting Microscopes, Etc. (New York: E. Leitz, Inc., 1925), 142.
ProvenancePaleobotany Student Laboratory, Gray Herbarium, Harvard University, Cambridge, MA; transfer to CHSI, ca. 1999.