First Edition. 8vo., 10 pages, 1 folded plate; VG; salmon cover with ink inscription "Prof. G.C. Foster, F.R.S., etc., etc., with the author's compliments" and a penciled annotation, some rubbing and slight soiling at edges, minor stains, torn at spine top and bottom; clean interior; "From the Philosophical Magazine for August 1898"; "Read before the Physical Society"
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Price: $25 save 25% $18.75