Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 38
se spaces into four equalparts. Produce the line BE to 4, making the ex-tension E-4 equal to two of the subdivisions. At 1 draw the line 1-D, lay off 1-2 equal to one ofthe subdivisions. At 2 draw 2-A perpendicularto 1-D and at 3 in 2-A draw 3-C, etc. With center 1 and radius 1-B describe the arc… … MENSURATION Mensuration is that branch of arithmetic whichis used in ascertaining the extension and solidityor capacity of bodies capable of being measured. DEFINITIONS OF ARITHMETICAL SIGNS. 6- the Sum.-3=3, the Re- as 8X4=32, the =4^*=4. =Sign of Equality, as 4+8=12. +Sign of Addition, as 6+6=12,…
Mechanical drawing · Machine design
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