The Franklin Journal, and American Mechanics' Magazine1848 |
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Seite 44
... copper yoke in combination with the inner tube and perforated outer tube in Argand lamps , for burning lard , as described . " 44. For an Improved Mode of Constructing Bee Hives ; Elijah Grumman , Norwalk , Connecticut , May 26 . Claim ...
... copper yoke in combination with the inner tube and perforated outer tube in Argand lamps , for burning lard , as described . " 44. For an Improved Mode of Constructing Bee Hives ; Elijah Grumman , Norwalk , Connecticut , May 26 . Claim ...
Seite 52
... copper , with Chinese characters and figures on the back , projecting nearly the eighth of an inch from its surface ; the face of the plate was silvered , and highly polished , and , on the closest inspection , no difference appeared on ...
... copper , with Chinese characters and figures on the back , projecting nearly the eighth of an inch from its surface ; the face of the plate was silvered , and highly polished , and , on the closest inspection , no difference appeared on ...
Seite 53
... copper , very thin , similar to a thimble , with its surface smoothed and polished , of sufficient size to contain the bulb of the instrument ; the other , a cylinder of tin , closed at one end and open at the other , used to cover the ...
... copper , very thin , similar to a thimble , with its surface smoothed and polished , of sufficient size to contain the bulb of the instrument ; the other , a cylinder of tin , closed at one end and open at the other , used to cover the ...
Seite 56
... copper , & c . These instruments , thus prepared , being exposed in the fields during a clear and still night , at first indi- cated temperatures with some little difference ; but after a certain space of time they were found to agree ...
... copper , & c . These instruments , thus prepared , being exposed in the fields during a clear and still night , at first indi- cated temperatures with some little difference ; but after a certain space of time they were found to agree ...
Seite 65
... copper , which are first rubbed over with an amalgam of tin , and whiting and Tripoli , blackened over the flame of a lamp . The sheet of composition is then to be taken from the mould ; it will come out easily , and will harden on ...
... copper , which are first rubbed over with an amalgam of tin , and whiting and Tripoli , blackened over the flame of a lamp . The sheet of composition is then to be taken from the mould ; it will come out easily , and will harden on ...
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