Page 1 GYPSUM BOARD PRODUCTS JOINT DEFORMATION - ''RIDGING" In 1940, only 10% of all new houses used gypsum wallboard dry wall construction, while today at least 50% use this method.

WITH SABINITE "M" Disturbing noise bouncing around-- "sound-conditioning" as a part of the is on the way out--it's old-fashioned original conception--that blends with and unnecessary.

HhBB-0009970 0 -- FOUNDATION FACTS ' March, 1940 This news-letter is issued monthly to member companies and trade associations affiliated with Air Hygiene Foundation.

PLAINTIFF'S EXHIBIT %* PRICE *o*>*t>* r Re*,seJ DECEMBER; 1947, 1 . . *. " v PLUMBING & HEAflSl ''''` *A*'*'*' I r*:':i';.;?

441222 001 V ** saps. vw u > 27> -D i AjaiMLiA-N Biyjy^Esjos, Umiteq The Registrar of Companies, Supreme Court buildings, PERTH..A. ?

4&I021 oo2 !

3TAFF: s 161 491208 . 1 0 0 AUSTRALIAN BLUE ASBESTOS LIMIT' :d SYDNEY.

8S v> fransachons of THIRTEENTH ANNUAL MEETING N o v e m b e r 18, 1948 ***** ae i 22 U C C-- *ax7J r-V -s* ^ ^OvIS--.v c5 . 5 2?

HEATINC VENTILATING AIR CONDITIONING GUIDE 1940 REFERENCES Effect of Air Conditioning upon Munitions, by J.

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 tion of the day switch and entirely cut off the supply of steam to the radiation at night during certain hours which are selected by the operating engineer.

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 CARTER, John H.* (Af 1936) Mgr.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 approach wind.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 A thermostat sensing outdoor conditions is used to reset inside tem peratures, raising them gradually to a point from 5 to 15 F below the highest outside temperature.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 often important that direct air distribution does not impinge on the product.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 Equation 1 may be used for calculating the quantity of air forced through ventilation openings by the wind, or for determining the proper size of such openings to produce given results: Q = EAV (1) where - Q *= air flow, cubic feet per minute.