The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 623
a self-acting Canal Lock, by Mr. Smith of Deans-ton. Messrs. Drummonds Agricultural Museum. 601 Web Harrow. Used for covering grass seeds. This imple-ment is newly invented by Mr. Smith; it produces the effect ofthe bush harrow in a perfect manner. Gate Latch. (Jig. 73.) a b is a bolt for screwing… … Fig. 73. Gate Latch. an opening in the plate into the position of the dotted lines k, I,until, on the bolt passing, it resumes its place by its own weight;and, the part n of the latch m n o opposing further progress,the bolt remains fixed; and vice versa in shutting from the otherside. In opening,…