*1.8 California Historical Society for reference use only April 25, 1921 #1833 Messrs.^.

5 California Historical Society for reference use only i^esre .* *?

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tons) and of the pack (in cases) for Tvtal 104 62 August, 1928, over he same month last, year is shown by the following An increaseofASa-telephone-users1 iatoie': * '' " the yea-r--smee.

SQ ES Br The World Had Never Seen this Done Before The world saw a piece of shooting last summer, the like of which it had never seen before: A ten-shot "possible" at 50 yards--offhand!

DISTINCTIVE DUTCH BOY INTERIORS Sixth of a series of advertisements describing interiors deco rated with Dutch Boy white-lead and Dutch Boy flatting oil The Grand Ballroom of the Buffalo Consistory An interesting room in the new Scottish Rite building-- HaroldJewett Cook, architect --T.

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File Name Lanza Correspondence Scanned ?

pnccr work in Great BritaJ^j . ril*- * Respirator Cartridge .Efficiency Studies: - J* 'a ' V.

HISTORICAL REVIEW OF MINING CONDITIONS ON THE WITWATERSRAND AND THE CHANGES WHICH HAVE TAKEN PLACE SINCE THE EARLY DAYS OF THE FIELDS BY A.

REPORT OF COMMITTEE ON AUTOMATIC HEAT CONTROL (Transactions, Vol. 24) The Committee considered the problem of automatic heat control par ticularly with respect to its effect upon fuel conservation.

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Copyright, 1927 BY American Society of Heating and Ventilating Engineers \ Printed and Bound by The Horn-Shafer Company BALTIMORE MARYLAND PREFACE THE growth of The Guide in its sixth year of service is impressive as more than 100 pages of additional data are to be found in the edition for 1928 prepared for engineers, architects, contractors and others who are desirous of having a complete knowledge of the heating and ventilating art.

American Society of Heating and Ventilating Engineers Guide, 1928 weighs about 11 lb. per fine ft., and holds 2 qt. of water per iineal foot; its superficial surface is about 1.05 sq. ft. to the lineal foot.

American Society of Heating and Ventilating Engineers Guide, 1928 8 o 9 Chapter XIII--Heating with Gas F ig. 1.