Marine chronometer

Marine chronometer with Brockbanks-Peto cross detent escapement. With brass case and hand

Details

Category:: Time Measurement

Object Number:: 1971-261

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

type:: chronometer

credit:: Sotheby and Compan

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Parts

One-day marine chronometer

Marine chronometer with Brockbanks-Peto cross detent escapement, by Brockbanks, London, England, 1800-1820.

Measurements:: diameter: 110mm
height: 56mm

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

Object Number:: 1971-261 Pt1

type:: chronometer

Image ©: The Board of Trustees of the Science Museum

Brass case and hand for marine chronomoter

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

Object Number:: 1971-261 Pt2

type:: case - container

Marine chronometer

Round metal marine chronometer, made in London by Brockbanks. Designed to fit in a case. This has a clock face with two hands, numbers in both numeric minutes and roman numeral hours. There is also a second clock face for seconds.

Object Number:: 1971-261 Pt2/1

type:: marine chronometer

Image ©: The Board of Trustees of the Science Museum

Part of:: 1971-261 Pt2

Hand and screws from marine chronometer

Hand and screws for marine chronometer with Brockbanks-Peto cross detent escapement. Hand and four screws.

Materials:: brass (copper, zinc alloy)

Object Number:: 1971-261 Pt2/2

type:: hand

Part of:: 1971-261 Pt2

Ornate case for marine chronometer

Ornate case for marine chronometer with Brockbanks-Peto cross detent escapement. A rectangular base section, with four legs and ornate design. Then above this is a scroll element with a circular tube above. This has an ornate design on top.