ade, and varies so slightly that the differencecan scarcely be illustrated, from the grade over which thedistance travelled is exactly ten times the rise of the road,making the needed pull just ten times smaller than theweight hauled. The discrepancy grows progressively asthe grade gets steeper but… … Fig. 1—Graph of resistances to vehicle movementsdue to grades and irregular or soft road surface.;Each square represents a total resistance deteimined by its vertical and horizontal distance fromlIn zero point at the lower left corner. Thelight area at this corner therefore represents good roads…
Automobiles · Aeronautics
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Catalogue des monuments et inscriptions de l'Égypte antique / publié sous les auspices de S.A. Abbas II Helmi par la direction générale du Service des antiquités [de l'Égypte] ; par J. de Morgan, U. Bouriant, G. Legrain, G. Jéquier, A. Barsanti (1894)](https://img.insideoutlibrary.com/img/200/ia-cataloguedesmonu21egyp-276-516.webp)
![An illustration from Rudiments of the art of building : represented in five sections [...] for the use of architects, builders, draghtsmen, machinists, engineers and mechanics (1853)](https://img.insideoutlibrary.com/img/200/ia-rudimentsofartof00bull-170-77.webp)
