. An encyclopædia of agriculture : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and of the cultivation and economy of the animal and vegetable productions of agriculture. ts, as shown in elevation,fig. 1193. ; it is strengthened round its edge by aring of two inches and a half angle iron rivetedon, and is externally slightly convex : c is theconvex false bottom, formed of sheet iron oneeighth of an inch thick, punched full of roundholes three tenths of an inch diameter, and stif-fened by ribs of T iron, riveted to it
. An encyclopædia of agriculture : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and of the cultivation and economy of the animal and vegetable productions of agriculture. ts, as shown in elevation,fig. 1193. ; it is strengthened round its edge by aring of two inches and a half angle iron rivetedon, and is externally slightly convex : c is theconvex false bottom, formed of sheet iron oneeighth of an inch thick, punched full of roundholes three tenths of an inch diameter, and stif-fened by ribs of T iron, riveted to its lower side :d d are two siphon tubes for emission of con-densed water, as before described: e is a man-lidfor the purpose of filling in chaff, &c, or othersuch matters. The large end lid has got a coun-terbalance weight attached to the chain /. Thewhole of this cylinder, and all the steam-pipes,are lapped over with slight haybands, which arelapped over with thick felt or dreadnought; andthis, lastly, is sewed tightly over with strong sailcanvass painted. This mode of uniting, as a coating, several bad conductors having different con-ducting powers, is found to resist the passage of heat much more effectually than an equal thickness of.
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Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, bookpublisherlondo, bookyear1871
