Doriot No. 4 handpiece, vulcanite and nickel plate

Made:
1917-1930 in Philadelphia

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Science Museum Group
© The Board of Trustees of the Science Museum

Doriot No. 4 handpiece, vulcanite and nickel plated brass, by E.E. Smith, USA, 1917-1930