Bourdon Tube Air-powered Toys

[Sourced from: Mechanical Toys: How Old Toys Work, by Athelstan and Kathleen Spilhaus (New York: Crown Publishers Inc., 1989)] The principle of the Bourdon tube, a flattened, flexible tube that straightens out under pressure, was used in pneumatic toys such as the rubber monkey that plays a drum when a rubber bulb is squeezed by …

1980-1 – “Teacher” Inflatable Puppet from “The Wall” – Mark Fisher & Jonathan Park (British)

1980-1 – Mark Fisher – Teacher – "The Wall" The Architects' journal: Volume 196, Issues 14-21 – 1992 The work of mechanical engineer Jonathan Park and architect Mark Fisher, who together form the rock set specialists Fisher Park. This pair met as teachers at the Architectural Association in 1976, a time of radical experimentation. Among …