1920 Article Patent Phonograph Clock Magnet Spark Plug Reading Light Compass SI1 MIX9 There is yellow staining on

There is yellow staining on the right side of this image

Burrowes Co

This is an original 1923 halftone print of Colonel Plastiras

Office Space Vintage Advertising

Hengeler taught as a professor at the Academy of Fine Arts in Munich

1920 Article Patent Phonograph Clock Magnet Spark Plug Reading Light Compass SI1 MIX9 There is yellow staining onThis is an original 1920 one page article (one single sided page) of the latest patents of the time. Shown is the multi record phonograph, the phonograph vibration device, an oxygen and hydrogen generator, an electrically driven clock, a controlling field of magnets, a reading light, an electric oven, a spark plug tester, colored moving pictures and a magnetic compass. CONDITION This 91+ year old Item is rated Near Mint Very Fine. Light aging