December
“A contract has been completed with A. Kunz & Co, Zurich, and E. Singer, Bern, for the provision of 250 hard of hearing 3 lamp amplification devices, at a sales price of 128 Swiss Francs, production cost including tests and construction approx. 76 Francs . A first sample is being completed and will be ready in the next few days.”
Company board minutes, December 20, 1946