31. The main product was cotton duck, used for sailcloth and a wide variety of other uses. 32. A camp was established on the island, using sailcloth for tents to shelter men and supplies. 33. The airframe is assembled from aluminum tubing, with steel reinforcement and is covered in Dacron sailcloth . 34. The Sabre is constructed from bolted aluminium tubing, covered in pre-sewn Dacron sailcloth envelopes. 35. The aircraft is made from aluminum tubing, with the single surface wing covered in Dacron sailcloth . 36. The aircraft is made from metal tubing, with its double surface wing covered in Dacron sailcloth . 37. The aircraft is made from welded tubing, with its double surface wing covered in Dacron sailcloth . 38. The aircraft is made from aluminum tubing, with its flying surfaces covered in Dacron sailcloth envelopes. 39. In medieval mills, the sailcloth was wound in and out of a ladder type arrangement of sails. 40. Sweden had still not developed a sizeable sailcloth industry, and material had to be ordered from abroad.
