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INTRA-COMPANY CORRESPONDENCE o Subj*e Mr.

Reprint from N BRICK & CLAY RECORD May 1961 Johns-Manville Insulating Firebrick Are Different!

JOHNSMANVILLE RESEARCH AND ENGINEERING CENTER kvi- TITLE: GLASS LINING FOR 1-ELDS FOR CAST BRICK Requested by: R.

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Farm No. 307 SALES OFFICE: SPECIAL INSTRUCTIONS: Mr R.

PURCHASE ORDER , NEWPORT .EWS SHIPBUILDING AND DRY DOCK COMPANY DISTRIBUTION C0P&-U UNPRICED NN PQRM POOll.l {Rev. t' 23607 NN VENDOR NO.

jctoowwr. i/ 9 / <y. / SHELL CHEMICAL COMPANY^,, - 'V'\' PRIVATE & CONFIDENTIAL to MARKETING - MANAGER PLASTICS AND RESINS DIVISION S " '* -f.

,*) h ' \ 6Z|o> ^ Sprayed Mineral Fiber Manufacturers Association, Inc.

1 .V >L /(6`J y<Y/ -- r-'A. - - . /- /^ ^ t us j ' Sprayed Mineral Fiber Manufacturers''Association, Inc.

PLAINTIFFS EXHIBIT SPITED .MINERAL FIBER MANUFACTURERS ASSOCIATION, INC.

William R.

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