Original dairy trade vintage catalog for THE LANGSENKAMP-WHEELER BRASS WORKS, INC.  L-W Dairy Supply Division. Main office and plant was located at 1266 Shelby Street, Indianapolis, IN. 

Manufacturers of Milk Testers. Products include Air-Vac Milk Sediment Tester Model E Mechanical, Automatic Model D Sediment Tester Mechanical, Laboratory Sediment Tester Type J, Bulk Milk Tank Sediment Tester Model 40, Model B-T Improved Manual Milk Sediment Tester and Vacu-Matic Weight Tank Sampler. Has numerous product images with detailed descriptions, uses, applications and dimensions provided. Unbound from a large 1956 dairy industry catalog, this unique old one page technical brochure would display beautifully matted and framed. Nice cover graphics. A fantastic addition to your vintage dairy equipment library.