Remarks on the observations made in the late voyage towards the North Pole for determining the acceleration of the pendulum in latitude 79⁰50' [microform] /
Horsley, Samuel,1773-1806.
Mulgrave, Constantine John Phipps,Baron,1744-1792.
London : Printed for B. White and P. Elmsley,
1774.
Sabin 33056
Microfiche.
Phipps, Constantine John, Baron Mulgrave, 1744-1792.
Pendulum