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 470
either be made at each end of the groove only, for the purpose of opening thedoor to the full width, or they may be made also at the intermediate points … c c, so as to open the door to different angles, which may be convenient inhot-houses for ventilation. 442 Recollections of a Tow- made in Mai/, 1839, Fig. 106. shows a vertical profile of fig. 107., i being the guide-bar, and/c thedoor. Fig. 107., of half the proper size, shows the manner in which…
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