John Hadley, 1682-1744 RMG BHC2731
John Hadley, 1682-1744 The portrait was acquired in 1936 as ’John Hadley‘ by Bartholomew Dandridge and it is possible that some doubt then existed as to the identity of the sitter who looks comparatively young... More
An Account of a Catadioptrick Telescope, Made by John Hadley, Esq; F. ...
Identifier: philtrans07963102 (find matches) Title: An Account of a Catadioptrick Telescope, Made by John Hadley, Esq; F. R. S. With the Description of a Machine Contriv'd by Him for the Applying It to Use Ye... More
Hadley's octant - Public domain portrait drawing
Drawing of John Hadley's octant.
Hadley's reflecting quadrant - Public domain portrait drawing
Drawing of John Hadley's Reflecting Quadrant
Hadley's quadrant, or octant, Jonathan Sisson, London, 1735, with sand...
Exhibit in the Putnam Gallery - Harvard University - Cambridge, Massachusetts, USA.
Hadley telescope crop
crop of Identifier: philtrans07963102 (find matches) Title: An Account of a Catadioptrick Telescope, Made by John Hadley, Esq; F. R. S. With the Description of a Machine Contriv'd by Him for the Applying It t... More