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 515
No, 27,—Model Residence, (Side Elevation,) ^tm^d^^Mi … 514 To find the Circumference of a Circle; multiply the diamr-eter by 3.1416. To find the Area of a Circle; multiply the square of thediameter by .7854. To find the Surface of a Globe; multiply the square qfthe diameter by 3.1416. To find the Solidity of a Globe; multiply the cube of tJiediameter…
Industrial arts · Workshop recipes · Architectural drawing
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