Check the listing for details. jacobs aircraft Co. Magellen Jets piston engine Desk clock. Condition: Used, Made in United States. Listed at 250.00 USD. The Jacobs Aircraft Co. Magellan Jets piston engine desk clock is a unique and specialized Timepiece, featuring a design inspired by the piston engine of the Magellan Jets. Made in the United States, this desk clock showcases precision engineering and craftsmanship, making it a functional and stylish addition to any workspace or collector's display. The clock is a tribute to the history and legacy of Jacobs Aircraft Co. and the iconic Magellan Jets. This industrial modern art desk clock was created using a 1940's WWIl Jacobs R-755 radial engine piston. The R-755 was used during World War Il and powered airplanes such as the Avro Anson, Cessna I-50. Avro Cadet, Anahuac Tauro, Cessna AT-17 Cessna 195, Boeing Stearman 75 and the Beechcraft Staggerwing.