Original vintage food packing trade magazine ad for MAILLER SEARLES, INC. of San Francisco, CA.  Feeders, Dumpers, Filling Machines and Bottle Cleaning Machines, Gravity and Power Driven Package Conveyors and Related Engineering Services.  Pictured are a Standard Knapp casing and case sealing installation in a western cannery, a Keiefer Rotary Vacuum Filling Machine, and Mathews conveyors in the Packaging Department of a large California cannery.  Old 1946 two-page food processing advertisement.