Abstract
I AM obliged to Mr. French for correcting me in the matter of the origin of the stereoscopic range-finder. My statement that the idea originated with one of Zeiss's workmen was made on the basis only of my recollection of conversation with Dr. Czapski at the Paris Exhibition in 1900, and it may well be that my recollection is at fault, or possibly that I misunderstood what I was told.
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BOYS, C. The Modern Range-finder. Nature 100, 104 (1917). https://doi.org/10.1038/100104b0
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DOI: https://doi.org/10.1038/100104b0


