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forceps
forceps

forceps

Date1850-1900
Inventory Number1997-1-1304
ClassificationAccessory
Subject
    Cultural Region
      Dimensions7.5 x 1.5 x 1 cm (2 15/16 x 9/16 x 3/8 in.)
      Material
        DescriptionA small wood object consisting of two similar pieces of wood flat and straight on one end, then curving slightly and becoming concave around its long axis. The two pieces are bound together on their straight ends curving away from each other so that their concave ends face each other at a distance.
        Signedunsigned
        FunctionFor holding small objects, most likely weights for a balance.
        parts of mercury condensation pump
        American
        Date: 1900-1950
        Object number: 4964
        Hickman's three-stage self-fractionating diffusion pump
        Distillation Products Industries
        Date: circa 1940
        Object number: 1998-1-0034
        electric motor
        French
        Date: circa 1880
        Object number: DW0077
        articulated forceps clamp for polarimeter
        Louis Jules Duboscq
        Date: 1860-1880
        Object number: 1996-1-0703b
        Ruhmkorff electrostatic machine
        L. Luizard
        Date: 1890-1920
        Object number: DW0301
        polar planimeter
        German
        Date: after 1856
        Object number: 1999-1-0067
        compensating polar planimeter
        Gottlieb Coradi
        Date: circa 1920
        Accessories: pieces of the front of black leather case with clasps; lid of case with paper data sheet; pieces of black leather case lined with green velvet
        Object number: 2004-1-0345
        compensating polar planimeter
        G. Coradi
        Date: circa 1911
        Accessories: conversion table on white card in instrument case; instrument case
        Object number: 1999-1-0068
        liquid equation solver for cubic roots
        Walter Balcke
        Date: 1963
        Object number: 1997-1-1605a
        compensating polar planimeter
        Gebrüder Haff
        Date: circa 1940
        Accessories: case
        Object number: 1997-1-0446
        compensating polar planimeter
        Gebrüder Haff
        Date: circa 1940
        Accessories: card with instrument info and conversion table; photocopy of letter from Dr. Joachim Fischer to William J.H. Andrewes, dated 12 May 1997; photocopy of extract from Dr. Joachim Fischer's inventory of integrating instruments included with the letter
        Object number: 1997-1-0444
        compensating polar planimeter
        Gebrüder Haff
        Date: circa 1940
        Accessories: card with instrument information and conversion table
        Object number: 1997-1-0445