Vintage Greenfield Tap & Die Company advertising sales catalog No.39 of Small Tools circa 1939. Measures 5 X 7 1/4 inches in size (13 X 19cm) and is 416 pages in length. Publication is an authentic original in good condition as shown as shown in photos.

This is a 1939 "Small Tools" Catalog (Number 39) published by the Greenfield Tap & Die Corporation (GTD), a major historical American tool manufacturer based in Greenfield, Massachusetts. 
This specific pocket-sized reference catalog was widely used by machinists, toolmakers, and hardware distributors right around the start of World War II. 
The pages provided show:
  • The Index to Sections: A breakdown of their primary offerings including Taps, Dies, Gages, Drills, Screw Extractors, Reamers, Screw Plates, and Pipe Tools. (It also includes a local purple distributor stamp from Beals, McCarthy & Rogers in Buffalo, N.Y.). 
  • Corporate Background: Overview pages detailing "The Organization" (an amalgamation of 11 manufacturing concerns) along with photographs of their primary industrial plants, regional branch offices, warehouses, and precision thread-grinding departments.
  • Product Listings: Illustrated size and price tables for item lines like GTD Tap Wrenches, Cylindrical Plug Gages, Expansion Hand Reamers, and their famous "Little Giant" Screw Plates.