Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 271
259 NOTE ON THE RESISTANCE OF MATERIALS. straining apparatus. The deflecting is indicated by a delicate Stackpole level. The measuring instrument was unaffect- force was adjusted by the scale-beam. The bar being in place, the weight to be to distort the ed by the forces tending … put on it was set on0 on the scale-beam, the scale-beam slowly rose and vibrated and the screw was carefully turned until, about the middle of its range, which by its pressure on the middle of the bar, point was indicated by a pointer at the
Engineering
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