Vintage Gruen: 1940s » Blue observatory

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Blue observatory [message #13403]

Mon, 24 August 2020 20:41

Jenneke
Messages: 2159
Registered: May 2013
Location: Netherlands

Gruen Authority

Description
Blue box in the shape of an observatory. With text Gruen the precision factory, measurement marking and a gruen crest. Underneath Gruen Time Hill, cincinnati. Made in USA. Blue velvet insert with watch holder.

The design was inspired by the old observatory shown in the 1929 guild book (probably neuchatel). The exact length of a second was determined by the motion of the earth around the sun. The precise optics in observatories allowed a precision measurement for time.

Period : 1948 -1950
Watch type : veri-thin
Size : tbd
Inventor : unknown
Patents : unknown (patents pending)

Box maker : B. C. N. Design Products, Inc. of Middle Village, NY (doing business also under the name “Braun-Crystal Mfg. Co)

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You can only waste time if you forget to enjoy it - Loesje

[Updated on: Tue, 25 August 2020 16:42]

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[Message index]

		Blue observatory By: Jenneke on Mon, 24 August 2020 20:41
		Re: Blue observatory By: Jenneke on Mon, 24 August 2020 20:55
		Re: Blue observatory By: DRGM on Tue, 25 August 2020 16:17
		Re: Blue observatory By: Jenneke on Tue, 25 August 2020 16:41
		Re: Blue observatory By: Ephemerald on Tue, 25 August 2020 20:10
		Re: Blue observatory By: DRGM on Thu, 27 August 2020 16:42
		Re: Blue observatory By: Jenneke on Thu, 27 August 2020 18:53
		Re: Blue observatory By: Jenneke on Sat, 05 December 2020 22:32

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