Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator . PLATE XVI Make a tracing on tracing cloth of Plate C (page 185). PLATE XVII Make general drawing Plate N (page 210). Use scale of 1Jinches = 1 foot, or 3 inches = 1 foot. PLATE XVIII (Optional) Make drawing of water cylinder, Plate J (page 202). 218 MACHINE DRAWING EXAMINATION PLATES Plates XI to XVIII inclusive constitute the Examination forthis Instruction Paper. The student should draw these plates andsend
Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator . PLATE XVI Make a tracing on tracing cloth of Plate C (page 185). PLATE XVII Make general drawing Plate N (page 210). Use scale of 1Jinches = 1 foot, or 3 inches = 1 foot. PLATE XVIII (Optional) Make drawing of water cylinder, Plate J (page 202). 218 MACHINE DRAWING EXAMINATION PLATES Plates XI to XVIII inclusive constitute the Examination forthis Instruction Paper. The student should draw these plates andsend them to the School for correction and criticism. The platesshould be 18 inches X 24 inches, except in the case of Plate XVII; thisplate may be 18 inches X 24 inches or 24 inches X 36 inches, depend-ing upon the scale chosen by the student. Plates XII and XIV are to be in pencil. Plate XVI is to beinked on tracing cloth. The others should be inked. The date, and the students name and address, should be placedin the lower right-hand corner of the plate, as shown. The platenumber should be placed at the upper right-hand corner, as inprevious plates, the letters to be ^2 inch AUXILIARY POLE GENERATOR OF 550-VOLT AND 1500-KILOWATT CAPACITYINSTALLED FOR ARMOUR AND COMPANY, CHICAGO Courtesy of Crocker-Wheeler Company MACHINE DRAWING PART III B—ELECTRICAL INTRODUCTION Requirements. Having learned the general principles involvedin making a correct mechanical drawing of any part of a machine,or the machine as a whole, it might be assumed that the studentwas in a position to work up complete shop drawings of any pieceof apparatus when given the necessary data. However, this ishardly the case. The previous work took up the subject from thestandpoint of proper portrayal, the proper way to represent a givenobject in the form of a drawing, without emphasizing the use towhich it is to be put. While it is absolutely necessary that the draftsman have athorough knowledge of the theory a
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Keywords: ., bookcentury1900, bookdecade1910, bookpublis, booksubjectmachinery
