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Helicopter 1943 Heavyweight Tee
The sheetHelicopter 1943Everything with this designRelaxed. Take your usual size.Sizes
Igor I. Sikorsky's 'direct-lift aircraft', filed in April 1940 and granted on 4 May 1943: the first practical single-rotor helicopter, seen from the side.
US patent 2,318,259 · sheet 1 · granted 4 May 1943
The print
Heavy ring-spun cotton, 207 g/m², dyed after sewing, so it comes soft and a little lived-in. Printed big on the back, about 19 × 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.
