Chicago : Engineering and Contracting Pub. Co. · leaf 222
cm. high. Three right triangles with rightangle sides 1 and o cm. respectively, are cutfrom 1/16-in. sheet metal. Some solid bitumenis melted in the bottom of the dish forming alayer about V6-in. thick, into which the trian-gles are placed, resting on the side 5 cm. long.Their apexes should meet at… … Laboratory Oven. of any rocking motion and consequent faultyresults is avoided. The penetration test is made as follows: Asample of the material to be tested is firstwarmed sufficiently to flow, and poured into the tin box. The box and contents, after cool-ing, are then immersed in water…
Buildings
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