Impulse Roller and Frame

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Impulse roller and frame belonging to the Shortt 16 Master Clock ZAA0544.

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ID:	ZAA0544.9
Type:	Impulse Roller and Frame
Display location:	Not on display
Creator:	Shortt, William Hamilton; Synchronome Co Ltd
Date made:	circa 1926
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 110 mm x 53 mm x 25 mm
Parts:	Shortt Free Pendulum System No 16 Timing weight (ZAA0544.1) Brass plate with a steel screw (ZAA0544.2) Tank (ZAA0544.3) Bell Jar (ZAA0544.4) Glass Plate (ZAA0544.5) Pendulum (ZAA0544.6) Suspension (ZAA0544.7) Advance / Retard Mechanism (ZAA0544.8) Impulse Roller and Frame (ZAA0544.9) Movement (ZAA0544.10) Suspension Clamp (ZAA0544.11) Condenser (ZAA0544.12) Pendulum Support (ZAA0544.13) Pendulum Support Retaining Screws (ZAA0544.14) Advance/ Retard Mechanism Retaining Studs (ZAA0544.15) Primary Slave Clock (ZAA0544.16) Primary Slave Pendulum (ZAA0544.17) Primary Slave Suspension (ZAA0544.18) Vernier Slave Clock (ZAA0544.19) Vernier Slave Pendulum (ZAA0544.20) Vernier Slave Suspension (ZAA0544.21) Manometer (ZAA0544.22) Manometer and Thermometer (ZAA0544.23)