ABSTRACT
Ramsden, the famous Ramsden, to whom astronomy and the physical sciences are so beholden.
Fontana to the Duc de Chaulnes, c.1776, Opuscoli scientifici di Felice Fontana (1783), 156-70
That every part of his instruments may be fabricated under his own inspection, Mr Ramsden has in his workshops men of every branch of trade necessary for completing them.