The little gold mine. Conklin's handy manual of the mechanical arts and house plans .. (1889)
Conklin, [George W.] [from old catalog] · Chicago, Laird & Lee · leaf 510
Floor, Wall and Roof Measure.—To find the number of squareyards in a floor or wall: Bule—Multiply the length by the width orheight (in feet), and divide the product by 9; the result will be squareyards. 509DESIGN No. 55. … Cheap Horse Bam,
Industrial arts · Workshop recipes · Architectural drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
