Annual of scientific discovery. 1855Gould and Lincoln, 1855 |
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Pagina 5
... direction of the committee , and of Mr. Welsh , the curator , to record , by a self - acting process , something similar to that of the anemometer , the variations in the earth's magnetism . From the address of the President we make the ...
... direction of the committee , and of Mr. Welsh , the curator , to record , by a self - acting process , something similar to that of the anemometer , the variations in the earth's magnetism . From the address of the President we make the ...
Pagina 26
... directions , navigators have been enabled to shorten their passages materially ; in many cases as much as one - fourth , in some one - third of the distance or time previously employed . Much had been collected and written about the ...
... directions , navigators have been enabled to shorten their passages materially ; in many cases as much as one - fourth , in some one - third of the distance or time previously employed . Much had been collected and written about the ...
Pagina 27
... Directions , ( the real condensed results of his elaborate and indefatigable researches , ) have effected the actual benefits obtained by mariners . Re- flecting on this evil , which increasing information would not tend to diminish ...
... Directions , ( the real condensed results of his elaborate and indefatigable researches , ) have effected the actual benefits obtained by mariners . Re- flecting on this evil , which increasing information would not tend to diminish ...
Pagina 28
... direction , or stops altogether , even with the engines working at full power . Although capacity rather than speed was studied in the construction of the vessel , it easily attained 11 knots an hour . Economy of fuel , freedom from ...
... direction , or stops altogether , even with the engines working at full power . Although capacity rather than speed was studied in the construction of the vessel , it easily attained 11 knots an hour . Economy of fuel , freedom from ...
Pagina 37
... direction of Prof. Farey . The difficulties to be overcome in a machine of this charac- ter , are certainly many and serious . We are not aware of the work having been attempted in any other manner than by sawing . The ordinary saw ...
... direction of Prof. Farey . The difficulties to be overcome in a machine of this charac- ter , are certainly many and serious . We are not aware of the work having been attempted in any other manner than by sawing . The ordinary saw ...
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