American Mechanics' Magazine, 1–2. köideJ.V. Seaman, 1825 |
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Page 76
... Roman alum are then added , as soon as it boils , upon five eggs , pre- and the boiling continued for seven I am , sir , your obedient Humble servant , A. B. C. ib . ON REFINING CAMPHIRE . minutes . The boiler is then.
... Roman alum are then added , as soon as it boils , upon five eggs , pre- and the boiling continued for seven I am , sir , your obedient Humble servant , A. B. C. ib . ON REFINING CAMPHIRE . minutes . The boiler is then.
Page 77
... CAMPHIRE . 77 Camphire being imported from the East Indies is in a brown rough state , it has yet to be refined in Europe to fit it for sale . This operation was first practised at Venice , from whence the mode of refining passed to ...
... CAMPHIRE . 77 Camphire being imported from the East Indies is in a brown rough state , it has yet to be refined in Europe to fit it for sale . This operation was first practised at Venice , from whence the mode of refining passed to ...
Page 78
... camphire does not form a mass suffi- ciently dense and close , but has a snowy opaque appearance , very dif- ferent from the transparency necessa- ry for its saleableness . Sometimes when the heat is in creased in an irregular manner ...
... camphire does not form a mass suffi- ciently dense and close , but has a snowy opaque appearance , very dif- ferent from the transparency necessa- ry for its saleableness . Sometimes when the heat is in creased in an irregular manner ...
Page 132
... camphire , These last ingredients are added to prevent insects from attacking the skins , Being thus finished , a coat of white of eggs is given to them : they are cut into square pieces of five inches each way , and put under the press ...
... camphire , These last ingredients are added to prevent insects from attacking the skins , Being thus finished , a coat of white of eggs is given to them : they are cut into square pieces of five inches each way , and put under the press ...
Page
... Camphire , on the refining of Chessmen Cabinet woods , on foreign --- work , on Italian INDEX . 49 Encouragement of discover and 67 inventions 72 Expeditious workmanship 125 140 Embroidery , on tracing designor 144 74 Eggs , to preserve ...
... Camphire , on the refining of Chessmen Cabinet woods , on foreign --- work , on Italian INDEX . 49 Encouragement of discover and 67 inventions 72 Expeditious workmanship 125 140 Embroidery , on tracing designor 144 74 Eggs , to preserve ...
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Common terms and phrases
acid AMERICAN MECHANICS angle appears applied ascer avoirdupois boat boiler boiling bottom Brazil wood BROWN'S GAS camphire canal carbonic acid carriage cast iron centre circle coal coal gas colour common construction copper cord Correspondent cylinder diameter distance drachms draw effect employed equal experiments feet fire force four friction furnace give glass half heat hole horse hour improvement inches invention iron length less lever lime Lond machine Magazine manner manufacture means melted ment metal method miles mode motion obedient servant observed pass pearlash piece pipe plate pounds present pressure produced pump purpose quantity quick lime railway render round ROYAL MINT screw shagreen ship side specific gravity square stay-sails steam engine steel sufficient sulphuric acid surface threads tion tube turned velocity vessel weight wheel whole wood