Attrib. or syntactical use of the name of Joseph Bramah (17481814), designating machines, etc. invented by him, as Bramah-key (also short Bramah) -lock, -pen; Bramahs press, a hydraulic machine constructed to produce enormous pressure.
1836. Dickens, Sk. Boz, ii. (1850), 166. Testing the influence of their patent Bramahs over the street-door locks to which they belonged.
1875. Ure, Dict. Arts, III. 140. The Bramah lock has been long celebrated.
1846. G. Wright, Cream Sci. Knowl., 55. Bramahs press is on the principle of the hydrostatic bellows.