Teleprinter: typing
The electric teleprinter „Automatik Lo 133“ of the company Lorenz is a telegraphy device and was used by the police of the…
Konrad Gutkowski
Dial-operated telephone
The W48 (from German: Wählfernsprecher) was a dial-operated desktop telephone developed in 1948 in West Germany. It is made from the polymer…
Typewriter
The typewriter „Erika 5“ is a mechanical typewriter for home or travel and was manufactured by the company Seidel & Naumann in…
Rotary printing press
The rotary printing press was built in the Schnellpressenfabrik A. Frankenthal in 1926. It presumably printed large editions of newspapers for the…
Coal crane
The coal crane built in 1946 was originally in use at the Bahnbetriebswerk (locomotive depot) Dahlhausen which ceased operation in 1968. It…
Steelwork: Coiler
In a hot rolling mill the process of hot rolling is carried out, a metalworking process in steel production: rolling at high…
Steelwork: Cooling zone
On the recording one can hear the cooling zone in the hot rolling mill of the Stahlwerk (steelworks) of Thyssen-Krupp in Duisburg.…
Steelwork: Hot rolling
The hot rolling of crude steel billets in the hot rolling mill of the Stahlwerk (steelworks) of Thyssen-Krupp in Duisburg can be…
Steelwork: Sizing press
On the recording, a sizing press can be heard processing crude steel billets in the hot rolling mill of the Stahlwerk (steelworks)…
Steelwork: Pusher furnace and conveying system
The pusher furnace is in use at the hot rolling mill in the Stahlwerk (steelworks) of Thyssen-Krupp in Duisburg. In the hot…
Steelwork: Tapping of a blast furnace
On the recording one can hear the work process of a blast furnace (year of construction 1963, modernized in 2013) at Thyssen-Krupp…
Steam engine (and signal bell)
The steam engine, a product of the company Übigau in Dresden, is a three-cylinder compound engine with 55 horsepower. It is a…
Diffuser
When mining coal or other minerals took the miners ever deeper into the ground, it became necessary to ventilate the shaft, in…
Pneumatic lamp
The pneumatic lamp presumably was used in the Ruhr-area coal mining industry as an underground source of light in the 1940s. Today…
Hammer drill
The pneumatically driven hammer drill by the manufacturer Flottmann-Werke drills holes into soft or medium-hard rock (for detonations, for example). It was…
Pneumatic pick
The pneumatic pick (manufacturer unknown) is an air tool which was presumably used for breaking up coal in the Ruhr-area mining industry…