. Florists' review [microform]. Floriculture. - -vv^ y^. Simonds Heating & Specialty Co. Grand Rapids, Mich. QREENHOUSB ONE POUND PRESSURE VACUUM HBATINQ SYSTEMS Mention The Reylew when you write. the Chicago Coal Merchants' Associa- tion, composed of both producers and retailers, undertook the task of prepar- ing some rules that would really work. This organization seems to have han- dled the matter in a painstaking and impartial way, realizing that coal oper- ators, carriers and consignees must all be satisfied, and that nothing would have the slightest chance of satisfying them but absolute and guaranteed ac- curacy in methods of weighing. The first step in the proceedings was to appoint a committee of twenty-two operators and twenty-two retailers. This committee, after some preliminary dis- cussion, appointed a sub-committee of eleven to do the work of actually draft- ing the rules. When completed, the rules were adopted by the Chicago Coal Merchants' Association, which then re- solved that "the draft of these rules as adopted should be presented to the various associations of retail dealers and operators throughout the United States for their amendment or approval.. MARSH STEAM PUMPS Especially designed and eauipped for extreme hot water service. SICK HEATING SYSTEMS CURED BY THEIR USE. Our Advlea la Yaura for tlia Aaiiins. AMERICAN STEAM PUMP CO.. ^S'.£V.'7.StL GREEHHOUSE HEATING HOT WATER—Open tank or pressure systems designed by us will heat perfectly and not "blow out." STEAM SYSTEMS we design to meet your special conditions. Our pump or trap return systems will prove satisfactory in all cases where a gravity return is impossible. Our VACUUM systems are the last and best word for heating large and modem ranges. We can put ECONOMY and EFFICIENCY into your heating system. Heating booklet free. HtatiH piiai »»i cstiaates matt, bailcrt tmi hcatiat lapflitt faniitiiei. Mention Tb« Review when yoo write. Crn lif I nrRFD ^22 N. Wabash Ave.