Monumental Slide Rule Trade Sign, Keuffel & Esser Co. , New York, late 19th century, ht. 7 1/2, lg. 84 1/4 in. Note: The Keuffel & Esser Co. was a drafting instrument and supplies company founded in 1867, the first American company to specialize in these products.
Auctioneer:
Skinner
Date:
2012-07-19
Breitling Genève,"Navitimer", Ref. 806. Produced circa 1966. Fine, stainless steel gentleman's wristwatch with round button chronograph, registers, telemeter and slide-rule. Accompanied by a fitted box. Read more…
Auctioneer:
Antiquorum
Date:
2003-06-15
Breitling, Geneve, Cosmanaute, No. 1448678, Ref. 806E-809, end of the 1970's. Fine, stainless steel gentleman's wristwatch with round button chronograph, registers, telemeter, slide-rule and 24 Read more…
Auctioneer:
Antiquorum
Date:
1999-04-24
Breitling, Geneve, Navitimer, Ref. 806E-809, No. 1448675, end of the 1970's. Fine, stainless steel gentleman's wristwatch with round button chronograph, registers, telemeter and sliderule, with Read more…
Auctioneer:
Antiquorum
Date:
1999-04-24
