Greenhouse Construction : a Complete Manual On the Building, Heating, Ventilating And Arrangement of Greenhouses, And the Construction of Hotbeds, Frames And Plant Pits
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In our eReader you can find the full English version of the book. Read Greenhouse Construction : a Complete Manual On the Building, Heating, Ventilating And Arrangement of Greenhouses, And the Construction of Hotbeds, Frames And Plant Pits Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Greenhouse Construction : a Complete Manual On the Building, Heating, Ventilating And Arrangement of Greenhouses, And the Construction of Hotbeds, Frames And Plant Pits
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Carmody, the inventor. It has much the shape of a meat saw (Fig. 44), and lifts the sash by the action of the cogs on the shafting, upon those on the fixture. It works easily, and the same force is required to lift the sash, at whatever height it may be. A form quite similar to this is used with the Little Victor machine, and is recommended by the inventor, E. P. Hippard, as valuable for small sash.
Various contrivances have been ar- ranged, by which the weight of the ven- tilators, in closing,... shall coil nj) a spring, which, when it is desired to open tlie sash, will furnish a large por- tion of the power. One of the best of these is known as the Ormsby Spring balance. It has proven quite satisfac- tory, and Avorks very smoothly, opening, with the exj^enditure of very little power, a long line of sash. It is easy to put up, and the only objection to the system is that, after two or three years of use, the springs wear out.
Of the machines used to work the shafting, with its elbow fixtures, the simplest is the kind generally used by greenhouse builders.
What to read after Greenhouse Construction : a Complete Manual On the Building, Heating, Ventilating And Arrangement of Greenhouses, And the Construction of Hotbeds, Frames And Plant Pits?
You can find similar books in the "Read Also" column, or choose other free books by Taft, L. R. (Levi Rawson), B. 1859 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Carmody, the inventor. It has much the shape of a meat saw (Fig. 44), and lifts the sash by the action of the cogs on the shafting, upon those on the fixture. It works easily, and the same force is required to lift the sash, at whatever height it may be. A form quite similar to this is used with the Little Victor machine, and is recommended by the inventor, E. P. Hippard, as valuable for small sash.
Various contrivances have been ar- ranged, by which the weight of the ven- tilators, in closing,... shall coil nj) a spring, which, when it is desired to open tlie sash, will furnish a large por- tion of the power. One of the best of these is known as the Ormsby Spring balance. It has proven quite satisfac- tory, and Avorks very smoothly, opening, with the exj^enditure of very little power, a long line of sash. It is easy to put up, and the only objection to the system is that, after two or three years of use, the springs wear out.
Of the machines used to work the shafting, with its elbow fixtures, the simplest is the kind generally used by greenhouse builders.
What to read after Greenhouse Construction : a Complete Manual On the Building, Heating, Ventilating And Arrangement of Greenhouses, And the Construction of Hotbeds, Frames And Plant Pits?
You can find similar books in the "Read Also" column, or choose other free books by Taft, L. R. (Levi Rawson), B. 1859 to read onlineMoreLess
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