Mathematical tables difference of latitude and departure: (Printed for, and sold by, Joseph Crukshank, no. 87, High-Street, between Second and Third Streets, 1796)
"Tables of difference of latitude and departure ..."--[1], 90, [1] p., with separate title page, dated 1796. Attributed to John Robertson. - Bristol, B9556. - Issued with: Gibson, Robert. A treatise of practical surveying ... The seventh edition. Philadelphia : J. Crukshank, 1796 (Bristol B9556). - Rink, E. Technical Americana, 2383. - Shipton & Mooney, 47790