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Deutsches Technikmuseum - Exhibit of the Month

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The Websites of the donation Stiftung Deutsches Technikmuseum Berlin at a glance:

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The donation contains six locations:

Exhibit of the Month

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Exhibit of the Month: Fermentation Tank Stopper (Boehringer Ingelheim)

Photo: The rubber stopper has a stem with a horizontal handle on the end. The lower rubber is brownish while the upper part is greyish. The stem has the same colour hue up to shortly before the handle. The rest of the stem and handle are darkly stained. © SDTB / Photo: C. Kirchner

Since 1923, citric acid, familiar additive in soft drinks, ice cream or cleaning agents, is not extracted from the real fruits ...

Glass cabinet
in the entrance hall

Exhibition of the Month: Negretti & Zambra Deep-sea Thermometer, circa 1880

Photo: A small, scaled glass tube containing mercury is encased in a wooden frame. The small tube has a prominent bend at the upper end. © SDTB / Photo: C. Kirchner

The upper end - with a bend - made it possible at last in the 19th century to get reliable deep-sea temperatures.


Exhibit of the Month: Graziella Junior Folding Bicycle, 1969

Photo: White children´s bike with yellow tires and blue seat. The fenders as well as the chain guard and handlebar are chromed. The folding mechanism is found right in front of the bottom bracket. There is a hexagon key in a holder on the seat post. © SDTB / Photo: C. Kirchner

Adventurous childhood: My first bicycle and the whole world expands ...


With audio guide "200 years on two wheels"

Exhibit of the Month: Trouser Presser from the Company Horolac, 1930 - 35

Photo: There are two back-to-back highly polished rectangular plates that can be separated by squeezing two wooden blocks that are attached to clamps on the plates. This construct is attached to a wooden handle that has an electric cord coming out of it. © SDTB/ Photo: C. Kirchner

This device promised to make a razor-sharp crease in just one minute - even while the pants were being worn.


Exhibit of the Month: Hand-held fire extinguisher "Spitztüte", 1926

Advertising poster from the founding years of the Minimax company © SDTB/Historisches Archiv. The graphic shows a stylized, athletic looking angel fighting a burning fire with a fire extinguisher shaped like a pointed cone.

"A fire will soon be weak as a mouse, if Minimax is in the house!"

Go and see for yourself!