Federal-Mogul Service Decimal Equivalent Ruler - 1963 Tool Collectible For Sale

This functional 6\" ruler, manufactured in 1963 by the Federal-Mogul division, is a versatile tool designed specifically for engine mechanics and machinists. The ruler features a helpful cutout at one end, making it ideal for converting fractional measurements into their decimal equivalents, crucial for engine bearing and seal work. The vibrant logos of Federal-Mogul, BCA Ball Bearings, and National Oil Seals give it a distinct period charm while also highlighting its use in the automotive industry.

Federal-Mogul, a renowned name in the automotive industry, has been at the forefront of producing high-quality engine components since 1899. By 1963, the company had expanded to include bearings, seals, and other critical engine components. This ruler is a testament to the company’s dedication to precision, making it a must-have tool for professionals. The inclusion of its multiple brand logos showcases its broad reach across the industry.