 | 1849 - 614 Seiten
...must be made two full spits of a spade deep and half a spit, sloping on each side from near three cet wide at the top to about half a foot at the bottom, and then some large rough stones or cows' horns laid at the bottom от the water to run through, with some... | |
 | William Raynbird, Hugh Raynbird - 1849 - 342 Seiten
...must be made two full spits of a spade deep and half a spit, sloping on each side from near three feet wide at the top to about half a foot at the bottom, and then some large rough stones or cows' horns * laid at the bottom for the water to run through, with some... | |
 | Joseph Rogerson - 1848 - 632 Seiten
...must be made two full spits of a spade deep and half a spit, sloping on each side from near three feet wide at the top to about half a foot at the bottom, and then some large rough stones or cows' horns laid at the bottom for the water to run through, with some straw... | |
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... sufficient to show that the system then adopted resembles the present practice, the latter being an improvement on the old method of draining: — " These drains, whether they be the great or small ones, must be made two full spits of a spade deep... 