A shorter course in woodworking; a practical manual for home and school . Fig- 558 Fig- 559 Though a very slight-looking affair, it will support an enormous of this kind made by pupils of the writer have supported theweight of entire classes (several thousand pounds), and long levers havesometimes been necessary to break them. Such experiments show thestrength derived from combination, and also that the strength of a modelis much greater proportionately than a larger structure. SOME PRACTICAL PROBLEMS IN DRAWING AND LAYING OUT WORK While a photograph or picture shows how an obje
A shorter course in woodworking; a practical manual for home and school . Fig- 558 Fig- 559 Though a very slight-looking affair, it will support an enormous of this kind made by pupils of the writer have supported theweight of entire classes (several thousand pounds), and long levers havesometimes been necessary to break them. Such experiments show thestrength derived from combination, and also that the strength of a modelis much greater proportionately than a larger structure. SOME PRACTICAL PROBLEMS IN DRAWING AND LAYING OUT WORK While a photograph or picture shows how an object looks, we cannottake accurate dimensions from it with a rule. To do so we must havedrawings which show at once the exact shapes, sizes, and positions of thevarious parts. The view of what you would see if you stood directly in front of anobject is called the front elevation. Stand opposite either side or end andyou have the side or end elevation. In the same manner the rear elevationis shown. Next, imagine yourself directly above the object. This viewis called the p
Size: 2557px × 977px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorklondongpput
