Ericsson PTT industrial wall telephone Type 57

Ericsson PTT industrial wall telephone Type 57. This model was known for being dust and splashproof and was used in mines and factories. It had a double bell for extra volume. This type of phone was in production between 1950 and 1974, and this one was made in 1961. It is made of metal and bakelite. This phone is in used condition, not restored, with age-related signs of wear, but the dial still turns smoothly. There are apparent signs of wear on the cord as well as the housing. The photographs are a part of the description. 33cm (H) x 26cm (W) x 13cm (D)