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rotating mounting platform
rotating mounting platform

rotating mounting platform

Datecirca 1900
Inventory Number2007-1-0494
ClassificationMount
Subject
    Cultural Region
      Dimensions0.6 × 14.4 × 14.4 cm (1/4 × 5 11/16 × 5 11/16 in.)
      Material
        DescriptionRound brass disk is set nearly flush into a larger disk and is designed to rotate. The inner disk has four holes. The base has two larger ones that will line up with a pair from the top disk.
        Signedunsigned
        compensating polar planimeter with magnified fixed tracing arm
        Gebrüder Haff
        Date: 1960-1969
        Accessories: plush-lined, hard green case white card with instrument information in case
        Object number: 1999-1-0005
        arithmometer (arithmomètre)
        Thomas de Colmar
        Date: 1850-1870
        Object number: 1997-1-0249
        mounting for a 60° prism
        Jean Baptiste François Soleil
        Date: 1840-1860
        Object number: 2007-1-0432
        arithmometer
        Thomas de Colmar
        Date: circa 1860
        Accessories: two instruction books (in French) dated 1856, 1860; explanatory article by F. Reuleaux (in German) dated 1892
        Object number: 1990-5-0026
        box of assorted electric light bulbs
        Sylvania
        Date: late 19th-early 20th Century
        Object number: RS0368
        mounting for a 60° prism
        Jean Baptiste François Soleil
        Date: 1840-1860
        Object number: 2007-1-0430
        mounting for a rectangular prism
        Jean Baptiste François Soleil
        Date: 1840-1860
        Object number: 2007-1-0431
        instrument mount
        American
        Date: 1900-1950
        Object number: 1997-1-0736
        large collection of optical projection apertures in wooden case
        J. Duboscq-Soleil
        Date: 1850
        Object number: 2008-1-0098
        Olivier geometric string figure of two intersecting cylinders
        Fabre et Cie
        Date: circa 1856
        Object number: 5468
        Commodore 64 computer and Commodore 1541 disk drive
        Commodore International
        Date: 1982-1985
        Accessories: four-shelf computer rack (2003-1-0239a); commodore video monitor (2003-1-0239b); magnetic temperature monitor (2003-1-0239c); pulse timer (2003-1-0239d); Panasonic dot-matrix printer (2003-1-0239f); two cyclotron lead bricks (2003-1-0239g, h); cardboard box with printer paper (2003-1-0239i); user's guide for commodore 64 with instructions for use, connections, installation, and service (stored next to the commodore video monitor on top shelf of computer rack); user's guide for commodore 1541 with instructions for use, maintenance, connection, installation, and service (stored next to the commodore video monitor on top shelf of computer rack); ten floppy discs stored in a cardboard box on top of external disk drive
        Object number: 2003-1-0293e
        stereotope photo-carriage with parallel guides and pantograph
        Zeiss-Aerotopograph
        Date: circa 1950
        Accessories: in wooden storage case with metal handles; documentation booklet is now kept in the instrument's file; all other accessories are kept in the box and are included in the description.
        Object number: 2009-1-0002b