THE MERTEN-DIGGS FIRE EXTINGUISHER. The Merten Diggs Fire Extinguisher company is turning out its chemical apparatus at a lively rate. Among its latest deliveries are a double thirty-gal. combination hose and chemical wagon for a large industrial institution, to which the company had already furnished four two-wheeled forty-gal. engines and twenty six-gal. extinguishers. I he comoanv now has in its works several pairs of 50-gal. and 35-gal, tanks and some 60gal. for hose wagons which are being built for large chicby local wagon builders. This, under the skilful and careful management of the company, has grown to be a very important feature of its business.