Vitriolated Tartar/Nitre
Vision
Two letters to James Dinwiddie from William Mackintosh Esq.
Two letters to James Dinwiddie from the Royal Institution
Two letters to James Dinwiddie from Robert Blain
Two letters to James Dinwiddie from Herbert Jenkins
Two letters to James Dinwiddie from George Hall
Two letters to James Dinwiddie from A Mercer
Two letters from Mary Dobie to James Dinwiddie
Two letter written by Phos Boyd to James Dinwiddie,
Trigonometry
Translate of Malay Laws
Time
Tibetan (?) manuscript with Chinese insert
Three letters to James Dinwiddie from Margaret Henderson
Three letters to James Dinwiddie from J.H. Harrington
Three letters to James Dinwiddie from Isabella Dickson
Three letters about James Dinwiddie written by James Gandon
Three financial documents
The Effects of Heat and Mixture on Bodies and Chemical Apparatus
Ten letters from Mary Dobie to James Dinwiddie
Ten letter to James Dinwiddie from David Hare
Syllabus of a Course of Lectures on Experimental Philosophy
Statement on Course in Natural Philosophy
Six letters to James Dinwiddie from Heron
Six letters from Mary Dobie to James Dinwiddie
Seventeen letters to James Dinwiddie from Logan Henderson
Rules of Philosophy
Questions; Mechanics; Of Central Forces
Planitarium - Globe
Planitarium
Plane Mirrors; Archimedes; Gravity
Pieces of a letter
Philosophical Society
Optics, No. 1-3
One letter, unknown sender or receiver
One letter, unknown sender and receiver
One letter to W.H. Stevenson from A. Neilson
One letter to James Dinwiddie, sender unknown,
One letter to James Dinwiddie, sender unknown,
One letter to James Dinwiddie, sender unknown
One letter to James Dinwiddie, sender unknown
One letter to James Dinwiddie from William Traie
One letter to James Dinwiddie from William Steven
One letter to James Dinwiddie from William Hyslop
One letter to James Dinwiddie from William Crumbie
One letter to James Dinwiddie from William Cleghorn
One letter to James Dinwiddie from William Blanta Esq.
One letter to James Dinwiddie from W.B.
One letter to James Dinwiddie from W. Wilson