 | John Mitchell (F.C.S.) - 1846 - 448 páginas
...allowed to dry rapidly or irregularly, and should be moved now and then to change their positions. To prevent cracking during desiccation, and the consequent...lute, so as mechanically to increase the tenacity of its parts. Horse-dung, chopped hay and straw, horse and cow-hair, and tow cut short are amongst... | |
 | John Mitchell (F.C.S.) - 1846 - 450 páginas
...allowed to dry rapidly or irregularly, and should be moved now and then to change their positions. To prevent cracking during desiccation, and the consequent...lute, so as mechanically to increase the tenacity of its parts. Horse-dung, chopped hay and straw, horse and cow-hair, and tow cut short are amongst... | |
 | Campbell Morfit, Alexander Mucklé - 1849 - 498 páginas
...allowed to dry rapidly or irregularly, and should be moved now and then to change their positions. To prevent cracking during desiccation, and the consequent...lute, so as mechanically to increase the tenacity of its parts. Horsedung, chopped hay and straw, horse and cow-hair, and tow cut short are amongst the... | |
 | Campbell Morfit, Alexander Mucklé - 1849 - 482 páginas
...allowed to dry rapidly or irregularly, and should be moved now and then to change their positions. separation of the coat from the vessel, some chemists...lute, so as 'mechanically to increase the tenacity of its parts. Horsedung, chopped hay and straw, horse and cow-hair, and tow cut short are amongst the... | |
 | John Mitchell (analytical chemist.) - 1854 - 608 páginas
...allowed to dry rapidly or irregularly, and should be moved now and then to change their positions. To prevent cracking during desiccation, and the consequent...lute, so as mechanically to increase the tenacity of its parts. Horse-dung, chopped hay and straw, horse- and cow-hair, and tow cut short, are amongst... | |
 | John Mitchell (F.C.S.) - 1868 - 840 páginas
...allowed to dry rapidly or irregularly, and should be moved now and then to change their positions. To prevent cracking during desiccation, and the consequent...lute, so as mechanically to increase the tenacity of its parts. Horse-dung, chopped hay and straw, horse and cow-hair, and tow cut short, are amongst... | |
 | David M. Knight - 1998 - 692 páginas
...fall off in fragments is much increased. When the coated vessel is glass, this docs not happen to such an extent, for the heated glass yields and gives way...becomes an earthenware vessel lined with vitreous matter (489). 1092. To prevent cracking during desiccation, and the consequent separation of the coat from... | |
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... of an inch. Being thus luted, the vessels are afterwards to be placed in a warm situation, over the sand-bath or near the ash-pit, or in the sun's rays. They should not be allowed to dry rapidly or irregularly, and should be moved now and then to... 