A practical work-shop companion for tin, sheet-iron, and copper-plate workers ... with numerous valuable receipts and manipulations for every-day use in the work-shop (1904)
Blinn, Leroy J. [from old catalog] · Philadelphia, H. C. Baird & co. · leaf 131
—Find the centre ofthe circle A Fig. 147J ; draw thediameter BC, and from B and Cset off the radius of the circle, thusdividing it into six equal parts inEG, FD; draw EF and GD; drawthe radius AH at right angles toBC ; from F set off FI equal to FH,thus trisecting the quadrant HB in FI; from I draw… … DECIMAL EQUIVALENTS TO FRACTIONALPARTS OF LINEAL MEASUREMENT. One Inch the Integet (?r Whole Number. .96875 are equal to i ^nd 3^^ .46875 are equal to f and 3^ •9375 1 and j\ •4375 f and J^ .90625 (( 1 and -Jj .40625 f and 3V .875 1 •375 1 •84375 1 and 3\ •34375 i and 33^ .8125 u 1 and Jj .3125 i…
Metal-work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
