The Technical World Magazine, Volume 7 |
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Page 43
... the firing of a By a convenient mechanism this contact revolver , operation and stopping of a exerted during a fraction of a revolution ventilating fan , lighting and extinction of FIG . 7 . incandescent lamps , energizing of an.
... the firing of a By a convenient mechanism this contact revolver , operation and stopping of a exerted during a fraction of a revolution ventilating fan , lighting and extinction of FIG . 7 . incandescent lamps , energizing of an.
Page 46
... which dredge , digging out its own channel , beeffectually and quickly ginning at the river , and throwing up the drains a 1,200 - acre farm earth on the outside , so that in the one owned by the Oneida operation , the opening up of ...
... which dredge , digging out its own channel , beeffectually and quickly ginning at the river , and throwing up the drains a 1,200 - acre farm earth on the outside , so that in the one owned by the Oneida operation , the opening up of ...
Page 49
The safety devices are in actual operation so far as it is possible , and the eye and judgment GEARS AND BELTS SAFEGUARDED . are appealed to by concrete illustrations . The roar of machinery greets the ear of by hoods , which , while ...
The safety devices are in actual operation so far as it is possible , and the eye and judgment GEARS AND BELTS SAFEGUARDED . are appealed to by concrete illustrations . The roar of machinery greets the ear of by hoods , which , while ...
Page 50
SERVICE GLASSES TO PREVENT PoisONOUS GASES AND VAPORS FROM INJURING THE EYES . the co - operation of employers and employees in reducing the hazard of life in all lines of occupation . Centrally located , it is accessible to the great ...
SERVICE GLASSES TO PREVENT PoisONOUS GASES AND VAPORS FROM INJURING THE EYES . the co - operation of employers and employees in reducing the hazard of life in all lines of occupation . Centrally located , it is accessible to the great ...
Page 65
In either case the honey in successful operation everywhere - alwas mixed with impurities and the comb , most — that bees are kept . These consist which required so much labor on the of a trap or box made of zinc with part of the bees ...
In either case the honey in successful operation everywhere - alwas mixed with impurities and the comb , most — that bees are kept . These consist which required so much labor on the of a trap or box made of zinc with part of the bees ...
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