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 307
eculations as to the uses to which thisinvention may be applied, but conclude by giving a description of Mr. Per-kinss apparatus; and this we shall do,, partly by copying, in his ownwords, a part of his specification, as given in the Repertory for PatentInventions for March, 1832, and by engravings…