Gilbert Catalog
Price in 1949: $3.00
Gleaming array of girders, 4 big disc wheels and other parts for building portable derrick, inclined railroad, drawbridge, elevator and numerous other models. Finest apprentice construction set you can find at this low price. $3.00. Denver and west, $3.15.

Price in 1950: $3.00
The Apprentice Set! Generous assortment of Girders, Plates, etc., builds Ferris Wheel, Draw Bridge, Elevator and other models. Girders packed assembled in square girder form — strongest construction principle known! "How-to-Make-'Em" Book included. Set 10" x 10" x 1 1/8". Price, $3.00. Denver and West, $3.15.

Price in 1951: Unlisted
Builds hundreds of models, including Ferris Wheel, Trailer, Farm Wagon, Elevated Crane, Dutch Windmill, Portable Derrick, Inclined Railway and Foot Bridge. 10 1/2 inch girders come assembled in square girder form — strongest construction principle known. Wheels, pulleys, plates, screwdriver, etc., are also included. Illustrated "HOW TO MAKE 'EM" book. Set measures 18" long x 10" wide x 1 1/8" high.

Price in 1952: Unlisted
Builds hundreds of models, including Ferris Wheel, Trailer, Farm Wagon, Elevated Crane, Dutch Windmill, Portable Derrick, Inclined Railway and Foot Bridge. 10 1/2-inch girders come assembled in square girder form — strongest construction principle known. With nut-and-bolt method you can build models that have the strength and rigidity of real-life engineering construction. Models won't wobble or sway. Wheels, pulleys, plates, screw-driver, etc., are also included. Illustrated "HOW TO MAKE ’EM" book. Set measures 18" long x 10" wide x 1 1/8" high.

Price in 1954: $3.50
Builds hundreds of models, including Ferris Wheel, Trailer, Farm Wagon, Elevated Crane, Dutch Windmill, Portable Derrick, inclined Railway and Foot Bridge. 10 inch girders came assembled in square girder form—strongest construction principle known, Illustrated "HOW TO MAKE ’EM" book. Sex measures 18" long x 10" wide x 1 1/8” high.

Price in 1955: $3.50
Enough parts to build hundreds of models, including Ferris Wheel, Trailer, Farm Wagon, Elevated Crane, Dutch Windmill, Portable Derrick, Included Railway and Foot Bridge. 10 1/2" girders can be assembled in square girder form – strongest construction principle known. Wheels, pulleys, plates, screwdriver, etc. are also included. Illustrated "HOW TO MAKE 'EM" book. Set measures 10" long x 10" wide x 1 3/8" high.