Blueprint reading; a practical manual of instruction in blueprint reading through the analysis of typical plates with reference to mechanical drawing conventions and methods, the laws of projection, etc (1919)

Fairfield, Howard Parker, 1858-, Kenison, Ervin, Waite, Edward B. (Edward Broughton), 1873-, American Technical Society · Chicago, American technical society · leaf 309

An illustration from Blueprint reading; a practical manual of instruction in blueprint reading through the analysis of typical plates with reference to mechanical drawing conventions and methods, the laws of projection, etc, 1919, leaf 309 — aboutone end Ah as a pivot,until it is parallel to theground line. Project thenew point Bih downwardto a point on the verticalplane to a line drawn fromBv parallel to the groundline, locating the point Bi.The line connecting Biand Av is the true lengthdesired, since the truelength of a line is… … Kg. 119. True Length of Inclined Line not Shownin Its Projections

Mechanical drawing · Blueprinting

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Blueprint reading; a practical manual of instruction in blueprint reading through the analysis of typical plates with reference to mechanical drawing conventions and methods, the laws of projection, etc (1919)

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