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...Descriptive geometry by pal ledneczki ph d table of contents multimulti view representationview representation shadow constructions intersection problems metrical axonometry circle perspective introduction about the purposes studying methods and means for solving geometrical construction in this sense is a branch technical object i e basics drawing instrument communication what descriptivwhat descriptivee one simply takes two planes at right angles to each other vertical horizontal then projects figure be represented orthogonally on these projections all edges vertices being clearly indicated projection plane known as ttehe eeelevatatioon tthee ototheer pprojectojectioon iss cacalleded pplaan finaally y veertticacapl plaaene fooldedded line until it also puts flat sheet paper we ordinarily visualize history mathematics carl b boyer john wiley sons new york gaspard mongegaspard monge wwaas sworn not divulge abs aboovve method yand yeearsars was jealously guarded military secret only he ...