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INSTITUTE OF BOILER AND RADIATOR MANUFACTURERS. LARGE FOLD-OUT GUIDE. OPERATION AND CARE OF HOT WATER AND STEAM HEATING SYSTEMS. 22" X 17" SHEET. PHOTO SHOWS TOP HALF OF FOLDED SHEET. IT'S HEAVY PAPER, BUT HAS SEEN SOME USE AND WEAR OVER THE YEARS. CREASES AT FOLDS. SOME SMUDGING. A COUPLE OF 1" "CHUNKS" TORN OUT AT MIDDLE AND EDGES. STILL QUITE READABLE.
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R_ferguson@dfwind.com (Robert Ferguson) for more information. All emails will be forwarded to the poster's actual email address.
