The physical properties and tests of lubricating oils . hought by the in-uaediate buyer or seller. It should be ap-:reciated by the practi-cal man, the tests of ^, oils f,iveonly results. Thus, one viscos-irneter, as ordinarily made, will give consistentresults on the same material the same tempera-ture. Hovever, different instruments of the sametype, and ap-oarently exactly alike, will c-iveresults on the sajne material v/hich severalxiercent. ITo rigid directions can be given forthe choice of oils for ^-iven purT)oses. It isbest to try various l
The physical properties and tests of lubricating oils . hought by the in-uaediate buyer or seller. It should be ap-:reciated by the practi-cal man, the tests of ^, oils f,iveonly results. Thus, one viscos-irneter, as ordinarily made, will give consistentresults on the same material the same tempera-ture. Hovever, different instruments of the sametype, and ap-oarently exactly alike, will c-iveresults on the sajne material v/hich severalxiercent. ITo rigid directions can be given forthe choice of oils for ^-iven purT)oses. It isbest to try various lubricants until one is foundv/hich gives results. : 36A 3//. 6 4 J86 s5 2S0 7 Eee : /34- /O 33^.8 // 34-0 J3 4ddX y/sSCO^S/Tt (T/iGL//IBU£) \/oo\ /^o° ^/^° ^^o\ 3oo° \3^o°\ \Z^0 dO AQ \36,0 3a 6/ 34 3/ J^ 3S 38 37 \ ^ \ 38 36 3S \ J>2 4S 36 J/? i 30 €00 270 34 vJ6 46 i 40 SO 3d 36 \3>5.\ 30.^i 4^.3 33 37 3^.4 ^S€ ado /20 €6\JJ0 4Z l/e 40 34 30 QO 4£ 36 34 { ^//e /oo 47 33
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Keywords: ., bookcentury1900, bookdecade1910, bookidphysicalprop, bookyear1917
