Showing results for "1950-1975"
Apparatus for Drawing Random Geometrical Figures
Miron Padowicz
1971
Meccanograph no.4.14
Meccano System
Circa 1970
Coin-Operated Harmonograph
Thornton E. Wulf
1969
Pendulum Actuated Drawing Instrument
Amihadar Arber
1968
Instruments or Apparatus (Spirpograph)
Denys Fisher
1968
Pendulum Toy
Edward J. Lias
1968
Harmonograph
Glen W. Mills
1968
Pendulum Toy
George Everett
1967
Harmonograph
Ivan Moscovich
1967
