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Royal Exchange
Illustrations showing microscopic views of the Shepherd
showing the area between the end of the Strand and St Paul's Cathedral
Chambers won over thirty awards in trials with this 1925 car during the 1930s
Henry Kater's telescope Size:Standard: 6 x 4in Royal ExchangeTelescope used by Henry Kater for pendulum observations. Geodesist and metrologist Henry Kater (1777 1835) invented Kater's pendulum in 1817 which enabled the strength of gravity to be determined. This sight was used to view the pendulum during observations in order to avoid parallax error. ca. 1820
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