A dissertation on the construction of locks containing, first, reasons and observations, demonstrating all locks, which depend on fixed wards, to be erroneous in principle, and defective in point of security - Bramah, Joseph 1749-1814 (Printed for the author, sold by R. Baldwin, 1785)
Goldsmiths'-Kress no. 13077.3. - OCLC, 21478962. - Reproduction of original from Kress Library of Business and Economics, Harvard University