This vintage brochure showcases the Warren-Knight Precision Transits Series 7 & 9 with detailed specifications. The brochure features multi-colored images and highlights the originality of the product. Made in the United States, this collectible item is a great addition. The brand, Warren-Knight, has a long-standing reputation for precision and accuracy in their products. This brochure is a unique and valuable piece that provides insight into the history of the company and the technology they produced.