Change Speed Gearbox Patent Blueprint Transmission Mechanic T Shirt

For transmission mechanics and gear enthusiasts, this change speed gearbox patent blueprint t-shirt is a smart choice. The design features a 1922 vintage patent drawing of a change speed gear, showcasing a complex arrangement of shafts, pinions, and brake drums in precise white line art. The deco geometric caps headline adds a mechanical elegance to the overall aesthetic.

This shirt appeals to those who admire engineering innovation and the mechanics behind vehicle transmissions. It's a functional yet stylish way to celebrate the intricate machinery that powers movement and control.

A great gift for gearheads, mechanics, and students of mechanical engineering, this design highlights the beauty of industrial patents and serves as a tribute to the craft of gearbox rebuilding and repair.

• 100% ring-spun cotton at roughly 4.3 oz/yd² (heather colours blend in polyester for the marled finish).
• Classic unisex cut with a relaxed body, set-in sleeves, and side-seamed construction so the shirt keeps its shape wash after wash.
• Pre-shrunk & side-seamed for shape retention
• Direct-to-garment (DTG) printed with water-based inks
• Made in Canada & USA — printed on demand, ships in 1 business day
• Machine wash cold inside-out, tumble dry low, do not iron print
• Runs true to size. Size up for a relaxed fit.