An encyclopædia of agriculture [electronic An encyclopædia of agriculture [electronic resource] : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and the cultivation and economy of the animal and vegetable productions of agriculture, including all the latest improvements, a general history of agriculture in all countries, and a statistical view of its present state, with suggestions for its future progress in the British Isles encyclopdiaofa01loud Year: 1831 509 3107. Parker's sympathe'icpark-gate {fig. 510.) is an
An encyclopædia of agriculture [electronic An encyclopædia of agriculture [electronic resource] : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and the cultivation and economy of the animal and vegetable productions of agriculture, including all the latest improvements, a general history of agriculture in all countries, and a statistical view of its present state, with suggestions for its future progress in the British Isles encyclopdiaofa01loud Year: 1831 509 3107. Parker's sympathe'icpark-gate {fig. 510.) is an ingenious contrivance, by which, on the approach of a carriage, the gate opens apparently by its own volition, and closes again after the carriage has passed through, without any apparent cause. The manner in which this extraordinary effect is intended to be pr-j. duced L by small plates let into the ground at short distances from the gate, and when the carriage whee is roll over them, they are made to descend like a weighing machine, and to act upon certain levers concealed
Size: 1119px × 1787px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage
