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IO AGRICULTURAL SURVEY 6 gl the collieries; which has conſiderably reduced the con- for tho! ſumption of oats in this neighbourhood.| quis: 0 Many of the collieries are ſituated at a conſiderable dif y hem tance from the river, to which the coals are conveyed| a from the pits in a peculiar Kind of carriage, called a New-| granit caflle coalwaggon(pl: 1, fig. 1.) it has 4 ſmall wheels,| A about 34 inches diameter, fixed to the axles, with which þ rib they turn round, and move on 2 road(called the waggon-| n Er ES E| nal!) way) made on purpole Wh wood, which is formed by| 7 ; E- 2 ä W000,| long pieces of wood(RA, rails) about 4 inches ſquare,| tud :: nd laid length-ways, upon fleepers of wood(S959) and the A: 2 A CMO : thickneſs of the rail above the plane of the reſt of the i: ::{he V | road, and at the exact diſtance of the wagson wheels from| i L E ars S|{ | each other, as it is upon thoſe rails the wheels run.| LE ud DE ELS S SZ|(eX |- A new waggon-WAaY(including timber, levelling, gravel-| x/ # S f 2 LS s S&| of{1 L ing, and workmanſhip) will coft about 5s. per yard, 01| A 4401. per mile;, and the expence of keeping it in répair| A is generally about 12d. per chaláron on a quantity of 15000 0 ] Í A TEX this chaldrons annually, Or 921, 15% od, per mile.“ if The: dimenfions of the body of theſe-waosgons ate as i t/| abor follows:| E | ed Ft. Ins.|" nuf Length at top= S T0‘ 4 fano o———— bottom| 0 Un Breadth at top-- 0 O| ihe Height= S ZD| re: They hold a chaldron of coals, or 53 cwt. ahd are ge drawn by a fingle horle. bh è ft * Jt has been ſuggeſted, that a waggon-way might be ſubſkitu-| ted in lieu of turnpike roads, for the conveyance of heavy goods 5|: hut we preſume, that the expence of firſt making, laying out 1n| i nearly 2 level line, or ſo as to have little or no aſcents and Kkeep-|> ing in repair, would greatly overbalance the additional weight to|| be drawn by one horſe; as the wood rots and waſtes nearly as| 1 much by a ſmall quantity of carriage paſûng along it, 283 a largep, s À 1 (