Houten onderzoekstoestel in zwart lederen tas, Ericsson, type 392.

LME 392 Schema

Portable wooden cased telephone fitted in a leather case. It is fitted with a special hand micro-telephone, collapsible like a telescope, made by Ericsson, type 392.


Zwart bakeliet/metaal onderzoekstoestel , jaren 20. BTMC Belgie.

BTMC BTMC
Black bakelite/metal test set telephone made in Belgium by BTMC, 1920's.

 


 

Zwart bakeliet testtoestel, Ericsson, rond 1950.

 

LME test

Black bakelite test phone made by Ericsson, 1950's.


Blauw testtoestel DSTS 2 (NLNR: 03 1467), 1989.

DSTS 2

Bleu test phone DSTS 2 (NLNR: 03 1467), 1989.