Dimensions: Diameter: 21.5cm, Depth: 5mm
Material composition: Hard Rubber. On top: Damper; On back: pressing of a martrix in hard rubber for purpose of making duplicate matrixes either by depositing silver on them or graphing[?]"
Manufacturer's catalog number: 5013
Comments: Impression of a matrix (stamper) in hard rubber: On label, handwritten etching "Dr. B. Sunderland Washington D.C. April 9, 1898 Occurrence following the assault on Senator Sumner related by B. Sunderland". On label: E. Berliner's Gramophone patented Nov. 8 1887 May 15,Other patents applied for 1888-May 6, 1890 / Feb. 19, 1895 - Oct. 29, 1895
Date of recording: 09/04/1898
Place of recording: Washington D.C.