Inside Out Library

Constructive work; (1905)

Worst, Edward F. (Edward Francis), 1866-1949, Barber, Harriette, [from old catalog] joint author, Seymour, Marian, [from old catalog] joint author · Chicago, A. W. Mumford and company · leaf 257

An illustration from Constructive work;, 1905, leaf 257
repre-sents 90°. At noon the skiameter Figure XVI. is used in gettingthe slant of the suns rays, from a vertical, in degrees. From Exercise XIV. we found the number of degreesthe sun seemed to rise south of east and set south of west.By using skiameter the slant at noon was determined. By boring a… … FIGURE XVI. Skiameter is taken from the Greek (skia, shadow, andmetron, measure.) The instrument has been devised as aneasy means of measuring the distribution of a given beamof sunshine at any slant. This is accompHshed by measur-ing the area of the shadow cast by the cross section of thestick a,…

Manual training · Paper work · Basket making

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