Dole Vari-Vent No. 1A Air Valve, The Dole Valve Company

Front:
32 SLOW I FAST U DOLE VAN N. A /ARI ENT ARI DOLE VANH No. 1A AIR VALVE ENT

Back:
H6 POSTALE DOLE No. 1AICAO VARI-VENT AIR NALVE The illustration on the reverse side shows the Dole No. 1A Vari-Vent Air Valve. Your customers will appreciate the added comfort and fuel economy resulting from the installation of Dole No. 1A Air Valves on automatically fired one pipe steam sys- tems. Recommend them at every oppor- tunity, and watch your profits grow. 08. 13 CENTS 12 Manufactured and guaranteed by THE DOLE VALVE-COMPANY 1933 Carroll Ave. CHICAGO 12, ILLINOIS Turs. E. W. Dodge Thanks for Pasadena juger 1411h- tair Cales Ave. Will showil to Alice and Pasadena family. Thought you might our advertising so am sanding С. California you a little box of matcher.