Publications Domestic Engineering Publications 1900 Prairie Avenue Chicago, Illinois DOMESTIC ENGINEERING The major portion of the billion dollar plumbing and heating market is sold each year by a comparatively small percentage of plumbing and heating contractors.

Heating Systems Burners, on S.

I Heating Systems specialties Armstrong Machine Works 851 Maple Street, Three Rivers,'Mich.

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SOURCES OF HELP FOR THE SAFETY MAN A safety manual for plant operators is available to members MINE INSPECTORS' INSTITUTE OF AMERICA 1900 Grant Bldg, Pittsburgh, Pa 15219 The institute is composed of mine inspec tors commissioned by federal, state, pro vincial, or county authorities and persons engaged in same safety work or safety edu cation around mines.

CG 01 DATE CODE YC-01 6-B PGJ 93 LOT : FZKQZ PROCESSES <B) YC-016-B < ) APPROVED BY FWP 10/28/81 ESTIMATED WEIGHT; 3098* LBS.

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MUN SKY'S MAGAZINE--ADVERTISING SECTION. .TAP'A^Arm ^WEARSLIKE IRON1" vv./\ I DID IT WITH JAP=A=LAC Last year we said that if we could make people believe the plain facts about tlie economy of JAP-A-I.AC. we could easily double our sales and make them half a million dollars in 1904.

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1 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 0100 0200 0300 0400 0500 0600 LABORATORY a fc 0 ABD00301894 Q D c 0 <7 a_o 0 O S3 Q C?

ABD00304997 0300 0400 0500 r ooo 0 <3 0 3 <3 Q 0 Q Q ) \ o 6 O G 0 >0 0 G 0 3 \ 0 C QG Q O 0 0 0 J 8 D-700 Dump System 9 D-745 Dump System io Plant Breathing Air 0 c Q O a Q e 0 0 \ ooCoM 0 0 0 0 0 s 0 0 J T\ 0000 0 0 0a 0 J) 2400 0100 i CooCMO CQ Q0 0 0 0 0 a 0 A G 0 Q0 0 0 0) J\ \ Jr 1900 2000 2100 2200 1400 1500 1600 1700 VCM CONTINUOUS MONITORING LOG SHEET GC NO. 4 - LABORATORY a O' 0 0 0 0 C) i \ Q e , o Q 0 G 0 <4 \ sit Q 0 Q 0 & G 0 0 e 0 ) Q 0 C> 0 0 e Cl <3 Q 3 T ooCO 0 0 o w 0 47 c7 0c v \ o 0 0 0 o o o "3 0 0 \ \ O) c TJ T" 0 0 0 o a <3 0 0 9 \ \ .C CL wOD oO 0 o 0 0 <3 -0 0 0 0 l i o o 0 o b 4?