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Variable-Pitch Propeller 1922 Crewneck Sweatshirt
The sheetVariable-Pitch Propeller 1922Everything with this designRelaxed. Take your usual size.Sizes
Frank W. Caldwell's variable-pitch or reversible propeller, granted on 24 January 1922: the hub that lets the blades change their angle in flight.
US patent 1,404,269 · sheet 1 · granted 24 January 1922
The print
Cotton-rich fleece with a cotton face, 322 g/m², dyed after sewing. Ribbed collar, cuffs and hem. Printed big on the back, about 20 × 34 cm, in one navy ink, with the sheet’s title in Arabic and its patent number beneath. Drawn from the patent office’s scan of the sheet at 300 dpi; the patent is in the public domain.
Shipping
Free and tracked. The carrier may collect import tax on delivery. Arrived damaged, misprinted or wrong? Write within 14 days with a photo and we replace it or refund you.
Care
Wash cold, inside out. No bleach. Hang to dry. Never iron the print.
