1837 Student's Manuscript Trigonometry and Surveying Notebook
Highlands (Maryland): 1837. Hardcover. Original leather spine and plain boards, about 100 leaves with manuscript exercises, examples, problems in plane trigonometry and surveying. Crude color drawings illustrate several of the surveying problems. Signed "Robert L. Rogers, Highlands School, March 7, 1837." Moderate scuffing and soiling to covers, 1 leaf loose..... More