An Account of Experiments for Determining the Length of the Pendulum Vibrating Seconds in the Latitude of London
An Account of Experiments for Determining the Variation in the Length of the Pendulum Vibrating Seconds, at the Principal Stations of the Trigonometrical Survey of Great Britain
An Account of the Construction and Adjustment of the New Standards of Weights and Measures of the United Kingdom of Great Britain and Ireland
An Account of Trigonometrical Operations in the Years 1821, 1822 and 1823, for Determining the Difference of Longitude between the Royal Observatories of Paris and Greenwich