Ericsson Large Steel-Cased Wall Phones

Fig 1: Model AB1200 - 1220 , a style which had with no provision for batteries. Model AB1100 had an adjustable transmitter and a bell receiver. 510mm high. Variations: Model AB1200 had a 2-magnet generator, Model AB1205 had 3 magnets, Model AB1220 had 4 magnets.

Fig 2: Model AB1300 -1320 with cradle and standard handset. 510mm high. Variations: Model CD570 is the same case without magneto for CB use. Model AB1300 has a 2-magnet generator, Model AB1305 has 3 magnets, Model AB1320 has 4 magnets.

Fig 3: Model CD540, the CB equivalent of the Model AB1200. Variations: Model CD570 is the cradle handset equivalent. 510mm high.


Fig 4: British Model N2830 has the bells under the writing slope. This is the more common style. No CB equivalent. The round plate at the top covered terminals (“tropical” models) or a lightning arrestor (standard models). It is a common New Zealand model, and the style produced in the Buffalo, U.S.A. , factory.

Fig 5: Model AB2100 - 2120, British Model N2800. It was fitted with the drum and solid back transmitters as well as the early Swedish transmitter shown in Fig 6, and an OST receiver on early models. Used in New Zealand. 565mm high. AB2200 had a 4 magnet generator, AB2120 had 5 magnets.

Fig 6: Model AB2105. An alternate model to AB2100, with early Ericsson transmitter and 4-magnet generator. It has a higher standard of finish with the nickel plated bells and the trim at the top. It was not used in New Zealand.

Fig 7: Model AB2300 - 2500 early version with nickel plated trim and bells.The elaborate finish seems to have given way quickly to the more
simple trim. Model AB2300 had a 4-magnet generator, Model AB2500 had 5 magnets.

Fig 8: Model AB2300, a later version with simpler trim and blackened bells. It was also produced as British Model N2860. Note the unusual (for Ericssons) straight cradle crossarm, more like a Sterling design.

Fig 9: British Model N2832, an upgraded version with a bakelite handset. This model would be from the late 1920s. Earlier models were also refitted with a bakelite handset, suspended from the original switchhook by a metal ring screwed into the earpiece.

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