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Ernst Walter Ruhmer (15
April 1878 – 8
April 1913) was a
German physicist. He was best
known for
investigating practical applications making use of the...
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letter from
Ernst Ruhmer), The Electrician,
November 7, 1902, page 111.
Wireless Telephony In
Theory and
Practice by
Ernst Ruhmer, 1908,
pages 55–59...
- used arc
transmitters for
their radiotelephone research included Ernst Ruhmer,
Quirino Majorana,
Charles "Doc" Herrold, and Lee de Forest.
Advances in...
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Arctium nemorosum Lej.
Arctium nidulans (Regel)
Sennikov Arctium ×
nothum (
Ruhmer) J.Weiss –
central and
eastern Europe Arctium palladinii (Marcow.) R.E.Fr...
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instantaneous transmission of
images was made by a
German physicist,
Ernst Ruhmer, who
arranged 25
selenium cells as the
picture elements for a television...
- A
photographophone is a device,
first developed by
Ernst Ruhmer of Berlin,
Germany in 1900, used to
produce and play back
audio recordings. Photographophone...
- 54–55.
Lindvall (2007), pp. 118–25;
Carey (1999), pp. 322–23.
Ruhmer (1901), p. 36.
Ruhmer (1908), p. 39.
Crawford (1931), p. 638.
Eyman (1997), pp. 30–31...
- AM
radio transmission,
conducted by Fessenden,
Valdemar Poulsen,
Ernst Ruhmer,
Quirino Majorana,
Charles Herrold, and Lee de Forest, were
hampered by...
- 1939, she
emigrated to Italy. There, she met the
German painter Helmut Ruhmer. In 1942, they
returned to the
Black Forest, Germany, and had two children...
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December 2016. "FAI Centennial :
Carlos Izquierdo,
Philippe Broers,
Manfred Ruhmer and Gin Song honoured". Fédération Aéronautique Internationale. 22 October...
