One letter to James Dinwiddie from Dr Blacklock
One letter to James Dinwiddie from John Turing
Planitarium
Longitude by the Chronometer and Moon - Journal through China
Journal of Lectures
One letter to James Dinwiddie from J.S. Ewart
Lecture 11
Lecture 13 - Astronomy
Optics, No. 1-3
Lecture Notes
Planitarium - Globe
Royal Institution Notes
Journal of Lectures
Three letters to James Dinwiddie from J.H. Harrington
Two letters to James Dinwiddie from William Mackintosh Esq.
One letter to James Dinwiddie from Dr. Usher
Lecture 2 - Astronomy
Lecture 10 - Astronomy
Astronomy
Cartography
Orbits
A letter from Charles Elliot to James Dinwiddie
Ten letter to James Dinwiddie from David Hare
Seventeen letters to James Dinwiddie from Logan Henderson
Geography; Astronomy, No. 1,2; Navigation, No. 1,2
Hydrostatics and Hydraulics; Nature in Three Different Views; Colour; Lights and Colour
Astronomy
Royal Institution Notes
Description of a Planetarium, or Astronomical Machine: which exhibits the most remarkable phaenomena, motions, and revolutions of the universe