Model of a Windsail, anonymous, 1831 demonstration model Model of a cooling sail with a Windwijzer. The upper part consists of three rotating hoops with canvas covered and with a Windwijzer on top and an opening for the input of the air. A piece of lead serves as a counterbalance for the wind vane and to promote the rotation. The axis of the hoops stands on a fixed part with two hoops, which is extended below with a fabric ventilation shaft with under a round wooden plate and exhaust openings. model maker: Netherlands (possibly)after design by: Denmark wood (plant material). iron (metal). tin
Model of a Windsail, anonymous, 1831 demonstration model Model of a cooling sail with a Windwijzer. The upper part consists of three rotating hoops with canvas covered and with a Windwijzer on top and an opening for the input of the air. A piece of lead serves as a counterbalance for the wind vane and to promote the rotation. The axis of the hoops stands on a fixed part with two hoops, which is extended below with a fabric ventilation shaft with under a round wooden plate and exhaust openings. model maker: Netherlands (possibly)after design by: Denmark wood (plant material). iron (metal). tin plate. lead (metal). textile materials. rope
Size: 3688px × 6496px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No
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