Lancaster Antiques has dated this piece to the 1920s.
It measures 44cm in height when in the lower position and 52cm when raised up.

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Wild and Wessel of Berlin in Germany started in 1865 and became part of Hugo Schneider & Co who continued to use the same marking on their products. This is probably circa 1910-1940.
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Lancaster Antiques has dated this piece to the 1920s.
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