A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 435
n blistered steel at least equalto any other. In order to preserve the bars, theymust be placed in a box furnished with twopieces of iron, about an inch long each. Thesepieces of iron may be about a quarter of aninch square, and should be filed perfectly smoothon the •ides. Aciainst these are to be… … J<>7uh>ri JiiM\s/uJ hjr lhi>ma^2<\70, /Ac 7i<i/>.ir,7,-MaylJS2>9. J.S^hui^ sculp. MA-ej^ETISIyi Mi/. J. Fi>,
Encyclopedias and dictionaries · Aeronautics
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