7403-402 Lot of four books. 1935 Starrett Tools Catalog No. 25 and Supplement. Original, softcover with minor edge wear, creasing and curling. Stanley Folding Rules, by Alvin Sellens, 1984. Hardcover with dust jacket, minor tearing and wear, signed copy. A Manual of the Slide Rule, J. E. Thompson, 1930. Hardcover, remnants of the original dustcover in protective cover, binding and pages fine. Boxwood and Ivory, Stanley Traditional Rules, 1855-1975, by Philip E. Stanley, 1984. Hardcover, dust jacket with minor tears and wear, binding fine. Good (ELM003, ELM008, ELM009, ELM037) 60-120