American Society of Heating and Ventilating Engineers Guide, 1929 400 Chapter XXV--Air Conditioning and Cooling Dirt collects on the wet surfaces as on the wet eliminator or scrubber plate surfaces in the dehumidifying unit but in the bunker room there is no flow of water to clean the surface.

Fans and Ventilating De Bothezat Impeller Co., Inc. 1922 Park Avenue, New York, N.

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Accurate Readirig At Any Location in Power Plant with Trulevel Gage Let Us Send Tou This Trulevel Data Unit Describing The .Only Distant Reading Gage Which Can Be Quickly And Easily Checked At Distant Reading Paint HEN you insult the Jerguson Trulevel Gage you can read boiler Wlevel at any lotathn job tptcify in your Powtr Plant.

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Int er-Off ice Cor r espondence i v/k 0-1. .j ; v . -- Et hyl Gasol ine Corporat ion 25 BROADWAY / .

November 25 1929 Mr.

July 11, 1928 Mr.

LEADINDUSTRIES ASSOCIATION 60 East 42nd Street NewYork17.N.Y.

The team that brought more sales to Keith, Simmons & Co* IN 1920 Keith, Simmons 8b Co ., of Nashville, Tenn.. sold 13.800 Bounds of Dutch Boy i.. ir^i :------- --J i-~ aa ncn .1 Last year their sales were still higher, when they sold 51,500 pounds.

AROCI.OR Arcelor .if.

DIELECTRIC FLUIDS - ASKAREL In 1929 it was discovered that polychlorinated biphenyls possessed the same good electrical insulating values as mineral oil dielectrics and that these PCBs are very unusual organic liquids because they do not burn.

BFGOODRICH ESTIMATED PENSION YOUR SERVICE AT RETIREMENT IN YEARS AND MONTHS: YOUR ESTIMATED FINAL ANNUAL AVERAGE EARNINGS: YOUR YEAR OF BIRTH: YOUR AGE AT RETIREMENT IN YEARS ANI) MONTHS: ** YOUR ESTIMATED MONTHLY PENSION IS: J35 YRS $47,200.00 ---------- r 1929 62 YRS +$1,928.19 8 MOS 0 MOS c^ /7/C V / NGC26210