1.
The teleprinter : commercial typewriter keyboard: maintenance instructions / Creed and Company Limited
Data Publicação:
imp. 1948
2.
Teleprinter : principles of operation, maintenance & adjustment instructions / Creed and Company Limited
Data Publicação:
1945
3.
Teleprinter : principles of operation, maintenance & adjustment instructions / Creed and Company Limited
Data Publicação:
1946
4.
Description, principle of operation and maintenance instructions : combined teleprinter keyboard perforator and automatic transmitter, teleprinter keyboard perforator / Creed and Company Limited
Data Publicação:
imp. 1948
