Builders' architectural drawing self-taught : containing descriptions of drawing instruments and accessories, with rules for using them, and hints as to their care and management ... (1917)
Hodgson, Fred. T. (Frederick Thomas), 1836-1919, Frederick J. Drake & Co · Chicago, F. J. Drake · leaf 97
, asshown in the lines.It is evident that theproportions of thefigureare determinedby the size of the spool. Hence a larger orsmaller spool is to be used, as circumstancesrequire. A simple method of forming a figure thatcorresponds to the spiral somewhat is shown inFig- 75 This is drawn from two… … Fig. 74. s ARCHITECTURAL DRAWING SELF TAUGHT 85 a semicircle; then take ei and describe semi-circle 12 on the lower side of the line AB. Thenwith 3.2 as radius describe semicircle below theline AB; lastly with a3 as radius describe semi-circle above the line and the figure is complete.These…
Architectural drawing · Architecture, Domestic
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
