Queries and Hints vol. 4 #614-727
Queries and Hints vol. 5 #728-794
Queries and Hints vol. 6 #795-1000
Queries and Hints vol. 8 #1111-1286
Queries and Hints vol. 9 #1287-1721
Questions; Mechanics; Of Central Forces
Recreations, No. 1
Royal Institution
Royal Institution
Royal Institution Notes
Royal Institution Notes
Royal Institution Notes
Royal Institution Notes
Royal Institution Notes
Royal Institution Notes
Rules of Philosophy
Scientific Institution Invitation
Scientific Institution Notes
Scientific Institution Notes
Scientific Institution Notes
Scientific Institution Notes
Scientific Journal
Scientific Journals
Scientific Journals
Scratch Lottery
Seventeen letters to James Dinwiddie from Logan Henderson
Six letters from Mary Dobie to James Dinwiddie
Six letters to James Dinwiddie from Heron
Statement on Course in Natural Philosophy
Syllabus of a Course of Lectures on Experimental Philosophy
Ten letter to James Dinwiddie from David Hare
Ten letters from Mary Dobie to James Dinwiddie
The Effects of Heat and Mixture on Bodies and Chemical Apparatus
Three financial documents
Three letters about James Dinwiddie written by James Gandon
Three letters to James Dinwiddie from Isabella Dickson
Three letters to James Dinwiddie from J.H. Harrington
Three letters to James Dinwiddie from Margaret Henderson
Tibetan (?) manuscript with Chinese insert
Time
Translate of Malay Laws
Trigonometry
Two letter written by Phos Boyd to James Dinwiddie,
Two letters from Mary Dobie to James Dinwiddie
Two letters to James Dinwiddie from A Mercer
Two letters to James Dinwiddie from George Hall
Two letters to James Dinwiddie from Herbert Jenkins
Two letters to James Dinwiddie from Robert Blain
Two letters to James Dinwiddie from the Royal Institution
Two letters to James Dinwiddie from William Mackintosh Esq.
Vision
Vitriolated Tartar/Nitre