Constructive drawing. A text-book for home instruction, high schools, manual training schools, technical schools and universities (1904)
Hanstein, Herman. [from old catalog] · Chicago, New York [etc.] Keuffel & Esser co. · leaf 56
ng and E F the mean altitude. With themean altitude E F ^ E F describe the quadrantF H A E; divide radius E A in 3 and subdividethe last 3d into 3 equal parts. Divide the span intothe same number of proportional parts and erectperpendiculars. Transfer the altitudes of F H J,etc., to the… … Fig. 1. A Plate 23.Fig. 2. /l M ^12- ^ 1* 1 1 ^ 1 !ir * 1 2 1 5 NB =-,;§■. 3.
Mechanical drawing
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