1950s MCM Advertising Booklet LAU Humidifiers HVAC William H. Wentling SE4

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1950s MCM Advertising Booklet LAU Humidifiers HVAC William H. Wentling SE4

For further information refer to the National
Warm Air Heating & Air Conditioning Asso-
cation's article, The "How" About Humidity,
Journal Entry 1-63. See Table 2, Page 3. To
obtain this article, write the Advertising
Dept., The Lau Blower Co., 2027 Home Ave.,
Dayton, Ohio 45407. (This paragraph also ap
plies to the chart shown on Page 15.)
10
Locate this safe humidity level on the chart
an pages 12 and 13 (located at left of chart).
Plot a straight line from this point
through the temperature you desire in your
home during the heating season. Continue
this plot line to where it intersects the ref-
erence line.