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 233
part exposed to thelight. P 2 210 Hothouse Ladder for thinning Grapes. Upon the whole, the endeavour to procure a constant currentof air through hothouses is highly commendable; and, as Mr.Penn has succeeded admirably, it is to be hoped that, as he hashad the honour of having made a great…
