Working model of marine chronometer escapement with driving weight

Working model of marine chronometer escapement with driving weight, parts of weight drive and parts of driving mechanism

Details

Category:: Time Measurement

Object Number:: 1926-165

type:: chronometer, detent escapement and model

credit:: Mr. A. W. Curzon

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Parts

Working model of marine chronometer escapement

Measurements:: overall (as displayed, excluding weights): 158 mm x 460 mm x 350 mm,

Materials:: wood (unidentified) , brass (copper, zinc alloy) , metal (unknown) and textile

Object Number:: 1926-165 Pt1

type:: instrument component , model - representation and chronometer

Components of Working Model of Marine Chronometer Escapement

Brass components of a working model of marine chronometer escapement.

Materials:: brass (copper, zinc alloy)

Object Number:: 1926-165/1

type:: component

Image ©: The Board of Trustees of the Science Museum

Driving weight cylinder for working model of marine chronometer escapement, and two separate metal discs, one with a central hole

Driving weight cylinder for working model of marine chronometer escapement

Driving weight cylinder for working model of marine chronometer escapement, and two separate metal discs, one with a central hole

Measurements:: overall (discs in storage box): 10 mm x 55 mm x 15 mm, 0.01kg
overall (cylinder): 70 mm x 40 mm, 0.295kg

Materials:: lead (metal) , steel (metal) and brass (copper, zinc alloy)

Object Number:: 1926-165 Pt2

type:: instrument component , model - representation and chronometer

Driving Weight Cylinder for Working Model of Marine Chronometer Escapement

Driving weight cylinder for working model of marine chronometer escapement.

Materials:: lead (metal) , steel (metal) and brass (copper, zinc alloy)

Object Number:: 1926-165 Pt2/1

type:: component

Image ©: The Board of Trustees of the Science Museum

Part of:: 1926-165 Pt2

Metal Discs for Working Model of Marine Chronometer Escapement

Two metal discs, one with a central hole, from the driving weight cylinder for the working model of marine chronometer escapement.

Object Number:: 1926-165 Pt2/2

type:: component

Part of:: 1926-165 Pt2

Part of weight drive for working model of marine chronometer escapement

Object Number:: 1926-165 Pt3

type:: instrument component , model - representation and chronometer

Steel plate from working model of marine chronometer escapement

Steel plate, with steel spigot screwed in at one end, brass nut fixed to other end, and two threaded holes in (approx) centre, unsigned, Europe, 1920-1926. From driving mechanism for working model of marine chronometer escapement.