Document EvDe5zbqDMZvxY8dV6nqLobdV

FILE NAME: National Safety Council (NSC) DATE: 1935 Dec 12 DOC#: NSC389 DOCUMENT DESCRIPTION: List o f M aterials Under U.S. Letters Patent 1,972,500 r /I V .^ 'J *4- e d I a^ i a l s f L&:-4- :; S S B ;: S . '"*''.3 '1':'i';. .. 1 3 f I >fi ""6 II: a fi *v?-i> k 1V ' m w*' m w s m'&L Emm t S ' s e , * -*fS B U P U , i n ; w u v x u TM v . . V * ! , 'r r ^ - r - " < y - t or pipecovering or in thicknesses 1/4 >.Y . * 3 _ -W r 'x & .M J ^ r t f e ; '. : .3 . * V # ' V - ^ r f r i y ' J I / - * - - %_ ^ ^n S -S S " f e f c W ^ v f 1^%* ^ **4 Jc b 6f Jiaminattons{ of ^ ' indented,and,shall .fee. ... shestos paper, ;Such materials shall he furnished in ._ u y U t W ' .J im U U V IU W O H W * * - - - - .' i - T ' , w , ---,<* layers p t l / 2 n , Z / i n or 1M thickness for all standard, p ip e sl f cee. , 3 , 7 \ ` ' ' ' /a ? 7-