ll times the rate of revolution. to give an angle of one foot crosswise to nine feet Range finding, for the accurate sighting of the guns, lengthwise of the bridge span. The moving gear is Aside from the strategic advantages of a tachometer includes the determination of the distance of the ob-… … Length over all, 286 feet Qi inches; depth of trasses, 17 feet; height of bridge above ground, 61 feet 9 inchefc. Hoisting and conveying machine j capacity 200 tons per hour. FOWERFUL ELECTRIC HOISTING AND CONVEYING MACHINERY,
Supplement · Latham · Machine · Hoisting · American supplement · Scientific American · American supplements · Practical treatise · Black diamonds · Sewing machine · Cubic feet · Main operating · Main hoisting · Wireless telegraph
Internet Archive · Public domain (published before 1931). Free to use for anything.
