Model of a Ventilator, anonymous, 1800 - 1850 demonstration model Model of a fan, working as a double bladder ball. In the large rectangular compartment, a shelf, which is mounted with hinges at half height against the short front, is moved with a lever up and down; The two halves in which the compartment is distributed through the board are reduced and enlarged in turns. Air is included in the front two square valves, consisting of simple valves with chamois leather, one upstairs and one below the hinges of the board. By similar valves, the air is drained to a small compartment for, where the
Model of a Ventilator, anonymous, 1800 - 1850 demonstration model Model of a fan, working as a double bladder ball. In the large rectangular compartment, a shelf, which is mounted with hinges at half height against the short front, is moved with a lever up and down; The two halves in which the compartment is distributed through the board are reduced and enlarged in turns. Air is included in the front two square valves, consisting of simple valves with chamois leather, one upstairs and one below the hinges of the board. By similar valves, the air is drained to a small compartment for, where the air flow to a single output is led in a square ventilation patch, which leads upwards; This tube can be detached. model maker: Netherlandsafter design by: United Kingdom wood (plant material). brass (alloy). iron (metal). chamois (animal material)
Size: 5730px × 4146px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords:
