Parlograph recording instrument with headphones and earphone
Parlograph recording instrument with headphones and earphone, made by Carl Lindstrom AG, Berlin, with 11 new wax cylinders, c. 1910
- Object Number:
- 1993-859 Pt1
- type:
- instrument
Dictating machine system, Parlograph, c. 1910
Parlograph recording instrument with headphones and earphone, made by Carl Lindstrom AG, Berlin, with 11 new wax cylinders, c. 1910
Parlograph shaving apparatus enabling re-use of the wax cylinders, c. 1910