ERICSSON TELEPHONENo's MB 100 - MB 125
ERICSSON TELEPHONE
MB 100
Portable Telephones
This instrument consists of a polished oak case, with carrying handle, containing Generator (3 Magnet), Magneto Bell (200 ohm.), Micro-telephone No. RE 3022, with Waterproof Cord and Celluloid Mouthpiece, 2 Dry Cells, Lightning Arrester and Terminals for line and earth.
Weight, complete with Cells 16 lbs.
Previously Model No. 390.
Types M.B. 100 - 125
Portable Telephone Instruments
This instrument consists of:-
A polished oak case with carrying handle, containing generator, magneto bell,
micro-telephone with waterproof cord, and india-rubber mouthpiece with metal
mountings (can he supplied with a celluloid mouthpiece if desired), 2 dry cells
type RE. 190 (Old Catalogue No. 600), lighting arrester, and terminals for line
and earth.
If specially ordered, the instrument can he supplied with a canvas cover.
| Type | Type of generator | No. of Gen magnets | Type of handset | Type of cord | Bell Resistance | Dimensions ins | Weight |
| MB 100 | RH 3120 | 3 | RE 3022 | RS 7000 | 200 | 12 x 6.7 x 8.25 | 16.75 |
| MB 110 | RH 4100 | 4 | RE 3022 | RS 7000 | 200 | 12 x 6.7 x 8.25 | 17.5 |
| MB 115 | RH 4200 | 4 | RE 3042 | RS 8000 | 1000 | 12 x 6.7 x 8.25 | 17.5 |
| MB 120 | RH 5100 | 5 | RE 3022 | RS 7000 | 200 | 12.5 x 8.25 x 9.45 | 23.5 |
| MB 125 | RH 5220 | 5 | RE 4042 | RS 8000 | 1000 | 12.5 x 8.25 x 9.45 | 23.5 |
Taken from the Ericsson Telephone Catalogue 1911
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