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weight-driven drum chronograph
weight-driven drum chronograph

weight-driven drum chronograph

Datemid 19th-early 20th Century
Inventory Number1996-1-0332
ClassificationChronograph
Subject
    Maker American ?
    Cultural Region
      Dimensions30.7 × 30.2 × 55.1 cm (12 1/16 × 11 7/8 × 21 11/16 in.)
      Material
        AccessoriesA metal crank handle; a metal crank handle with a wooden knob
        DescriptionA brass chronograph, mounted on a metal slab. A brass recording drum is positioned horizontally, with a moveable recording arm mounted on a threaded rod parallel to it. At one end of the drum is a tall, rectangular brass case, which is connected to the drum and recording arm by a brass rod and series of gears.

        An assembly mounted on top of the brass case consists of two support rods, and a geared center rod connected to a cylinder and sphere assembly.
        Signedunsigned
        weight-driven drum chronograph
        weight-driven drum chronograph
        William Bond and Son
        Date: circa 1880
        Object number: 1989-4-0015
        chart drum recorder
        chart drum recorder
        American
        Date: late 19th-early 20th Century
        Object number: 1996-1-0425
        rain gauge with chronograph drum
        rain gauge with chronograph drum
        Julien P. Friez & Sons
        Date: 1913-1929
        Accessories: The following information for supplies was found on a metal plate under the collection tank on the top of the base: "Acc'y CAT# CHART; 1015, INK # 10, PEN # 3, CAT: 402. JULIEN FRIEZE AND SONS BELFORT OBSERVATORY - BALTIMORE, MD"
        Object number: RS0316
        drum chronograph
        drum chronograph
        International Instrument Company
        Date: circa 1892
        Accessories: duplicate of nameplate (1997-1-1847b); pulley
        Object number: 1997-1-1847
        nameplate for drum chronograph
        nameplate for drum chronograph
        International Instrument Company
        Date: circa 1892
        Object number: 1997-1-1847b
        recording barometer
        recording barometer
        Davis & Son
        Date: 1843-1873
        Accessories: small metal key
        Object number: 1998-1-0606
        Ludwig-Baltzar-type drum kymograph
        Ludwig-Baltzar-type drum kymograph
        George Emmanuel Secretan
        Date: 1876-1890
        Object number: WJ0245
        electric therapy machine
        electric therapy machine
        Darlow & Company
        Date: circa 1859
        Accessories: wood/brass crank; brass conductor handles (2); colored insulated wires (2)
        Object number: DW0312
        recording drum chronograph
        recording drum chronograph
        Harvard College Observatory
        Date: circa 1900
        Object number: 1996-1-0333
        Friez model 712 aerograph
        Friez model 712 aerograph
        Friez Instrument Division, Bendix Aviation Corporation
        Date: 1943-1950
        Accessories: lid; stack of aerograph paper; metal case
        Object number: DW0446
        Hipp-type chronoscope
        Hipp-type chronoscope
        E. Zimmermann
        Date: 1890-1910
        Accessories: weights, crank, extra tuning fork
        Object number: WJ0105
        plate electrical machine
        plate electrical machine
        English
        Date: circa 1820
        Accessories: wooden case brass frame with points glass arm handle broken glass (in package)
        Object number: DW0504