The Technical World Magazine, Volume 4 |
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Page 31
Two years of experimental labor was spent in the construction of this clock ; and
its cost , when completed , was over $ 700 . Thousands pass this clock every day
, step on it , walk over it , many in their busy rush unconscious that they are ...
Two years of experimental labor was spent in the construction of this clock ; and
its cost , when completed , was over $ 700 . Thousands pass this clock every day
, step on it , walk over it , many in their busy rush unconscious that they are ...
Page 61
Stupendous amounts of very delicate and exact construction , proelectric power
are used to propel the vided with registering dials , and conever - multiplying
trolley cars , to illumi - nected to the service wires in the path nate lavishly our
streets ...
Stupendous amounts of very delicate and exact construction , proelectric power
are used to propel the vided with registering dials , and conever - multiplying
trolley cars , to illumi - nected to the service wires in the path nate lavishly our
streets ...
Page 68
Machines for Rearing Prematurely Born Babies are of Ingenious Construction .
and Save Many Lives By RUTLEDGE RUTHER FORD Special Correspondent ,
THE TECHNICAL World MAGAZINE NFANT incubators , or machines for ants of ...
Machines for Rearing Prematurely Born Babies are of Ingenious Construction .
and Save Many Lives By RUTLEDGE RUTHER FORD Special Correspondent ,
THE TECHNICAL World MAGAZINE NFANT incubators , or machines for ants of ...
Page 72
So delicate is the construction of this thermostat and the levers attached , that the
slightest variation of temperature suffices to set it in motion . Thus the heat within
the incubator never varies more than two degrees Fahrenheit , and rarely ever ...
So delicate is the construction of this thermostat and the levers attached , that the
slightest variation of temperature suffices to set it in motion . Thus the heat within
the incubator never varies more than two degrees Fahrenheit , and rarely ever ...
Page 82
As a final touch in the construction of the raft , bulkheads of heavy timber are
placed at either end of the structure ; and a six - or eight - inch hawser is attached
, by means of which the unwieldy mass is towed out of the river where it was built
...
As a final touch in the construction of the raft , bulkheads of heavy timber are
placed at either end of the structure ; and a six - or eight - inch hawser is attached
, by means of which the unwieldy mass is towed out of the river where it was built
...
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