Kater's invariable pendulum and clock for gravity observations, Sumatra Product:Framed picture Map of Abbey Wood

Map of Abbey Wood

drinking and reading the paper

She holds her dress and petticoat to one side

View over water at sunset

Kater's invariable pendulum and clock for gravity observations, Sumatra Product:Framed picture Map of Abbey WoodFront elevation showing the Kater invariable pendulum and supporting frame before a clock as set up at the Madras Observatory and used in John Goldingham's temporary expedition observatory. With a secondary figure showing the distance from the pendulum to the small observing telescope. Figure no. 4 from Report of the length of the pendulum at the equator made on an expedition from the observatory at Madras, by John Goldingham (Madras, 1824). Scale 1