The Quarterly Journal, Volumen 8John Murray, 1820 |
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Página 136
... metal like wax before it ; draw out , without breaking , a thread as fine as a gossamer , and lift a ship of war like a bauble in the air . It can embroider muslin and forge an- chors , cut steel into ribands , and impel loaded vessels ...
... metal like wax before it ; draw out , without breaking , a thread as fine as a gossamer , and lift a ship of war like a bauble in the air . It can embroider muslin and forge an- chors , cut steel into ribands , and impel loaded vessels ...
Página 143
... metal , as there is between iron and steel . The workmen inform me that the difference is entirely occasioned by the manner of casting them - the soft rolls being cast in sand , whereas the hard rolls are formed by pouring the metal ...
... metal , as there is between iron and steel . The workmen inform me that the difference is entirely occasioned by the manner of casting them - the soft rolls being cast in sand , whereas the hard rolls are formed by pouring the metal ...
Página 145
... metal to the thickness of four inches , is put to it . However , as some gentlemen may not be acquainted with the difference between block and grain tin , it may be remarked , before we proceed , that the metal known in commerce by the ...
... metal to the thickness of four inches , is put to it . However , as some gentlemen may not be acquainted with the difference between block and grain tin , it may be remarked , before we proceed , that the metal known in commerce by the ...
Página 146
... metal ; and conse- quently , more would run off the plates in the operation of tinning , and less tin would be consumed . At present these manufacturers use the block and grain tin , in equal proportions . When the tin - pot has been ...
... metal ; and conse- quently , more would run off the plates in the operation of tinning , and less tin would be consumed . At present these manufacturers use the block and grain tin , in equal proportions . When the tin - pot has been ...
Página 147
... metal may drain from them ; but , notwith- standing this precaution , when they become cold there is always more metal found adhering to them than is necessary ; and this is taken off by a subsequent process , called washing . As this ...
... metal may drain from them ; but , notwith- standing this precaution , when they become cold there is always more metal found adhering to them than is necessary ; and this is taken off by a subsequent process , called washing . As this ...
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