Recently discovered, the earliest dated English scientific instrument is going under the hammer at Christie's auction house in London on Wednesday. The palm-sized copper-alloy "horary quadrant," which ...
One side of the device was used to tell the date of Easter Sunday. Christie's Images LTD. 2023 Billed as the “earliest dated English scientific instrument,” a 700-year-old medieval device used to tell ...
AT a meeting of the Newcomen Society held at the Science Museum on December 11, a paper by Dr. R. S. Clay and Mr. T. H. Court on “English Instrument Making in the 18th Century” was read. As is well ...
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