Leybourn, William The Compleat Surveyor: Or, The Whole Art Of Surveying Of Land: By A New Instrument Lately Invented

Leybourn, William The Compleat Surveyor: Or, The Whole Art Of Surveying Of Land: By A New Instrument Lately Invented

Leybourn, Thomas The Mathematical Questions, Proposed in the Ladies' Diary, and Their Original Answers: Together With Some New Solutions, From Its Commencement in the Year 1704 to 1816; Volume 2