The Fire Retarding “Star” Ventilator
T
HE Roof of this Ventilator is movable vertically, and is held in its highest open position by a lever movement, controlled by a fusible link. In case of a fire the Link parts and the top drops down by gravity, closing the opening.
The top is also a Damper itself, as by regulating the chain length the opening is partially or wholly closable at any time, and still retaining its automatic closing feature in case of fire. Therefore, we offer the
COMBINATION
ist. The Automatic Fire Retarding “Star” Ventilator. 2nd. A Controllable Damper.
ALL IN ONE
Hundreds of these Ventilators now in use. They are absolutely storm-proof, and our Ventilators have a proven speed of air exhaust in excess of any other made.
Can be supplied with Glass Top. Simpler and with fewest parts made. Also lightest in total weight, without sacrifice of proper gauge.
Merchant & Evans Company
PHILADELPHIA NEW YORK BROOKLYN BALTIMORE
Successor to
CHICAGO
KANSAS CITY
DENVERMerchant & Co., Inc.
KOLL’S
Patent Lock Joint Staved Columns
are particularly well adapted for out-door use. Made in all sizes from 5 in. to 42 in. diameter and proportionate lengths.
Hartmann Bros. Mfg. Co., Mt. Vernon, N. Y., U. S. A. N. Y. Office, 1123 Broadway. Western Factory, H. Sanders Co., 77-85 Weed St., Chicago.
Send for Catalogue G19
HYDRAULIC ELECTRIC
STEAM
BELTED
STANDARD
of the WORLD for more than
FIFTY YEARS
OTIS ELEVATOR COMPANY New York Office: 17 Battery Place
The Illuminating Engineering Department
OF THE
HOLOPHANE COMPANY
IS AT YOUR DISPOSAL
227-229 Fulton Street, New York
ELECTRIC SIGNALS For Passenger Elevators
ELEVATOR SUPPLY & REPAIR CO.
136 Liberty St., NEW YORK 34 W. Monroe St., CHICAGO
ATLAS
PORTLAND CEMENT
The Standard American Brand. Always Uniform THE ATLAS PORTLAND CEMENT COMPANY, 30 BROAD STREET, NEW YORK