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Kundo Space Timer Clock, synchronised to the 77.5 kHz time signals from the DCF 77 radio transmitter at Mainflingen, near Frankfurt, Germany, made by Kieninger und Obergfell GmbH, St Georgen/Schw, Germany, in 1988.

Kundo 'Space Timer' radio-controlled quartz desk clock, 1988.

Time Measurement

1988
Peerless calculating machine, eight figures, supplied by Keuffel and Esser Company, New York, Serial No.3556. Made by Math. Bauerle at Georgen, in Germany.

Peerless calculating machine

Mathematics

1904-1920