 | 1824 - 604 sider
...certain test of the quality of a piece of oast iron, is, to try its edge with a hammer: if the blow make a slight impression, denoting some degree of malleability, the iron is of a good quality, provided it be uniform ; if fragments fly off, and no sensible indentation be made, the iron will be... | |
 | 1822 - 386 sider
...caught an animal of the genus fe, with a short tail. — Literary Gazette, VOL. iv. un New Umbrella. MR. RUSSEL, of Downing-street, has exhibited an improved...indentation, it is hard and brittle, and not to be relied Bronze Statue in Hyde Park. $75 on. In a large beam of iron it must be remembered, that different parts... | |
 | 1823 - 908 sider
...coolingtakes place slowly, the iron becomes much tougher than when it is cooled rapidly. Cast iron, too, ought always to be annealed. One of the best...qualities, depending upon their situation in the mould. SUSPENSION PIERS. CAPTAIN BROWN, the Architect of tie Suspension Iron Bridge over the Tweed, has applied... | |
 | 1823 - 508 sider
...of its high importance. The best test of the quality of a piece of cast iron is to strike the edge with a hammer ; if it make a slight impression, denoting...malleability, the iron is of a good quality; but if fragments fly off, without any sensible indentation, the iron will be hard, brittle, and not to be... | |
 | 1825 - 590 sider
...test of the quality of a piece of cast-iron is to try the edge with a hammer: if the blow of a hammer make a slight impression, denoting some degree of malleability, the iron is of a good quality, provided it be uniform ; if fragments fly off, and no sensible indentation be made, the iron will be... | |
 | Joseph Mathieu Sganzin - 1828 - 262 sider
...test of the quality of cast iron, is to try the edge with a hammer ; if the blow of a hammer makes a slight impression, denoting some degree of malleability, the iron is of a good quality, provided the texture be uniform ; if fragments fly off and no sensible indentation be made, the iron... | |
 | Joseph Gwilt - 1842 - 1114 sider
...most certain test of the goodness of a piece of cast iron is by striking the edge with a hammer, which if it make a slight impression, denoting some degree of malleability, the iron is of a good quality. It is important in any casting to have the metal as uniform as possible, and not of différent sorts,... | |
 | Thomas Tredgold - 1842 - 350 sider
...quality of a piece of cast iron, is to try any of its edges with a hammer ; if the blow of a hammer make a slight impression, denoting some degree of malleability, the iron is of a good quality, provided it be uniform : if fragments fly off, and no sensible indentation be made, the iron will be... | |
 | Charles Marcotte - 1878 - 164 sider
...good test of the quality of Cast Iron is by striking the edge of a piece with a hammer ; if it makes a slight impression, denoting some degree of malleability, the iron is of a good quality, when uniform ; if fragments fly off, the iron is hard and brittle. Good iron breaks like a piece of... | |
 | Edward Charles Robert Marks - 1906 - 120 sider
...quality of a piece of iron is to try any of its edges with a hammer ; if the blow of a hammer makes a slight impression, denoting some degree of malleability, the iron is of good quality, provided it be uniform ; if fragments fly off, and no sensible indentation be made, the... | |
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... if it make a slight impression, denoting some degree of malleability, the iron is of a good quality, provided it be uniform; if fragments fly off, and no sensible indentation be made, the iron will be hard and brittle. 
