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VII Insulating Oils
Pages 68-74

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From page 68...
... (D'hagan Gull' Research & T,evelopment (company Pittsburgh, Pa. ASTM SYL'-l POS IA ON INSULT IJG OIL The most significant pl'-bl;cations appearir~g in 1947 Here the papers siren at -the first too series of Symposia on Insulating Oil Sponsored by S,~con~ittee I~; on Liquid insulation of ASTER Co~ni+>tee D-5 on ~Eiec-~rical Ins~:Lati~g 1~£ateria]
From page 69...
... Maintenance Tests - Genera ~ Pol~nan( g) discussed tile general prob' ems of the maintenance engineer in dete~ri.~ling the condition and serviceability cf electrical eoinipment using iYlSIllat,i~l~ oils.
From page 70...
... Some of the background and practical problems concerned with the :~pl~cation of o=dation inhibitors to insulating oils severe reviewed by Berberich c . Among the reasons cited by.Berberich.for the general lack of application of inhib~tors to insulating oils is that the inhibited oils have not yet been justified either from an economic or a perfor ~ ce standpoint.
From page 71...
... bar Hall (g) Improved insulating oils were claimed in the following U
From page 72...
... 72 ~ New synthetic c ompos~.tio.n or irn.proved J iqu id .iri~ulc tion Rat ~.ri.~1 s are the sub jects of rear nt patients as i.rldi cited tri;ef7''r OCIO1~-DWO .Hamil-tcntl6' .
From page 73...
... ~., October 16, 1.9460 '? Stear.-~nu:Lsion Number as an index of Transformer Oil Serviceability,' M
From page 74...
... - Co~.pan~r, British Patent 5259396 February 6, 1947 190 Clarke 1?


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