Mechanical laboratory methods; a testing of instruments and machines in the mechanical engineering laboratory and in practice (1918)
Smallwood, Julian Chase · New York, D. Van Nostrand company · leaf 26
e and starts at 0. At a given instant,one observer measures the distance of the ball from the wallOX and another from OY. These distances, x and y, are suf-ficient to locate one of the posi-tions of the ball and thereforeits path, provided they areaccurately determined. Acci-dental errors prevent… … points. It is then found that Fig. 1. these points do not lie on the same straight line, the distances from the true path beingthe errors of their determinations. The question now ariseshow should these discordant observations be made to agree uponone result, which, though perhaps not the true one,…
Mechanical engineering laboratories
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