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An image showing 'Record Shot - Do not reproduce.'

An image showing 'Record Shot - Do not reproduce.'

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Lead weight

Lead weight from Airy's water clock for driving the Great Equatorial.

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Object Details

ID:	ZAA0530.36
Type:	Lead weight
Display location:	Not on display
Creator:	Ransomes & Sims
Date made:	circa 1860
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 85 mm; Diameter: 120 mm; Weight: 4.7 kg
Parts:	Sidereal drive Governor and main driving wheel (ZAA0530.1) Main casting (ZAA0530.2) Drive mounting (ZAA0530.3) Impeller and housing (ZAA0530.4) Segmental weight (ZAA0530.5) Valve (ZAA0530.6) Counter balance arm (ZAA0530.7) Lead funnel (ZAA0530.8) Conical flange (ZAA0530.9) Bolt with nut attached (ZAA0530.10) Mounting (ZAA0530.11) Bolt (ZAA0530.12) Bolt (ZAA0530.13) Bolt (ZAA0530.14) Bolt (ZAA0530.15) Bolt (ZAA0530.16) Bolt (ZAA0530.17) Bolt (ZAA0530.18) Bolt (ZAA0530.19) Bolt (ZAA0530.20) Bolt (ZAA0530.21) Square nut (ZAA0530.22) Square nut (ZAA0530.23) Metal pipe (ZAA0530.24) Metal pipe (ZAA0530.25) Nut (ZAA0530.26) Metal component (ZAA0530.27) Metal component (ZAA0530.28) Metal bar (ZAA0530.29) Bolt (ZAA0530.30) Metal pipe (ZAA0530.31) Washer (ZAA0530.32) Washer (ZAA0530.33) Washer (ZAA0530.34) Lead weight (ZAA0530.35) Lead weight (ZAA0530.36) Rod (ZAA0530.37) Balancing object (ZAA0530.38) Cylinder (ZAA0530.39) Connecting pipe (ZAA0530.40) Connecting pipe (ZAA0530.41) Connecting pipe (ZAA0530.42) Connecting pipe (ZAA0530.43) Connecting pipe (ZAA0530.44)

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