Greenhouses, their construction and equipment . ^to hold the glass in place. In many all-metal frame houses, especiallywhen the roof is supported by inside posts, itis common to bolt an iron or steel sill to thewall and then bolt the side posts to this sill. A method of erecting a modern combina-tion-truss frame house, 73 feet wide and FRAMEWORK 93. 94 GREENHOUSES nearly 30 feet high, to the ridge, is shown inFig. 54. This work was done entirely bythe owners and their ordinary help, withoutany expert superintendence and at a materialsaving in cost. The method was comparatively mater
Greenhouses, their construction and equipment . ^to hold the glass in place. In many all-metal frame houses, especiallywhen the roof is supported by inside posts, itis common to bolt an iron or steel sill to thewall and then bolt the side posts to this sill. A method of erecting a modern combina-tion-truss frame house, 73 feet wide and FRAMEWORK 93. 94 GREENHOUSES nearly 30 feet high, to the ridge, is shown inFig. 54. This work was done entirely bythe owners and their ordinary help, withoutany expert superintendence and at a materialsaving in cost. The method was comparatively material was first carefully distributedon the site selected, and a trench dug forthe foundation. The gable trusses werethen bolted together, while another gang ofmen began setting and guying the side trench was then filled with concrete,making the side posts rigid. Next the in-terior posts were put in place. The first step in putting up the rafterswas to fasten the lower ends to the tops of theside posts loosely, so that they would moveeasily, and then raise the other end into placeby means of a pair of shears, made of twopieces of 2 x 4-inch scantling. When thesehad been securely bolted in place, the gabletruss, which had been previously assembled,was swung into place by means of a blockand tackle, working from a boom. Allthat remaine
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkorangejuddc
