l: vff vi '' 1 > V $' 4*- ** .

April 10, 1952 lb*.

If Anesthesiology V 4.

.tan * ..I vj.. !

May 12; 1959 cc : V.

Frl MoNSAuro Chet^pal Company a Texas City, Tex^as A 5; h!

POLYVINYL CHLORIDE The Springfield Plant began producing polyvinyl chloride (PVC) in the 1950s.

Lj/'V ,V 1 DECLARATION OF JOHN L.

This advertisement appears in: .

Thu advertisement appears in: Ruildnni Sunuitinis Monthly--July, 195a PLAINTIFF'S EXHIBIT Report to Building Code Officials on SHEETROCK* FIRECODE 60 New Gypsum Wallboard\ released after exhaustive tests, has 1-HOUR RATING What it is: SHEETROCK Firecode 60 gypsum wallboard is jHs-inch SHEET ROCK with a specially formulated core of gypsum and other incombustible ma terials.

lOSIliSf !

Companies/Locations in Files Page 6 of 9 205.

AIA FILE N O . 3 4 -B -l (JULY, 1958) Kewanee 28893 AIA FILE N O . 3 4 -B -l (JULY, 1958) hour--212F power sq 1; sq ft tb sq ft sq It gph MBluh 6440 10300 1646 69 1969 If 246 > \/ ' V 83 \_________PERCENT THERMAL EFFICIENCY 60 BO 100 130 140 160 PERCENT BOILER RATI ERG It's easy to "put your finger" on the over-ail effi ciency of the Kewanee-lron Fireman Unit.

(Reprint Article from "Arzneimittel-Forschung" 4, 8-14 1954) From the Scientific Laboratory of Seitz-Werke G.m.b.H., Bad Kreuznach, and the Biological Laboratories of Messrs.

e rc tm ic OFFICERS President John F.