Temporary observatory for pendulum observations, Sumatra Size:Standard: 6 x 4in Allegorical image showing the figure

Allegorical image showing the figure of Happiness seated and surrounded by cherubs and attributes

the red-legged thrush

and Dawson

the law still required motor vehicles to be preceded by a pedestrian carrying a red flag to warn other road users

Temporary observatory for pendulum observations, Sumatra Size:Standard: 6 x 4in Allegorical image showing the figureSection through a tent observatory used for pendulum observations, indicating the location of main instruments (clock, pendulum, telescope and transit instrument) and the masonry pillar for mounting the pendulum clock. This is accompanied by a plan view of the pillar. Inscribed: 'Canvas Observatory' and 'Plan of the Wall'. Figure no. 2 from Report of the length of the pendulum at the equator made on an expedition from the observatory at Madras, by