Telephone aid

 
Containers:
Box 42 (MS 8696)
Component identifier:
File 136
Content Summary:
[Copies of USA patents: Telephone-coupled visual alphanumerical communication device for deaf persons - USA patent No. 4191 854, Telephone communication system for the deaf - USA patent No. 3585303, Telephone communications system for the deaf - USA patent No. 4012599; Inwards correspondence from: D.B. Mischlewski (Edwd. Water and Sons)] 5 December 1980 - 18 December 1980

Access and use

Location of this collection:
Parkes Place
Canberra ACT 2600, Australia
Contact: