Temporary observatory for pendulum observations, Sumatra Size:Standard: 6 x 4in with a clock on the

with a clock on the central gable

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

the red-legged thrush

a lady's chignon is made up of a Christmas pudding

Temporary observatory for pendulum observations, Sumatra Size:Standard: 6 x 4in with a clock on theSection 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