Telcon Metals: Alloys of High Magnetic Permeability - Mumetal; Radiometal; Rhometal.
Greenwich, The Telegraph Constuction & Maintenance Co., Ltd, no date Hard cover green cloth bds, gilt lettering and vignette to upper bd, cloth a little generally wrinkled, crossed out name to top of upper bd, 1" x 2" label residue that conceals the T of the title on upper bd, contents clean and tight, name label to upper corner of ffep, illust. with diagrams, graphs and drawings, pp96, addresses on title crossed out in pencil and replaced with 'Manor Royal, Crawley Crawley 28800', rear pocket empty.

Little Owl Books
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GBP 7.00 [Appr.: EURO 8.25 US$ 9.38 | JP¥ 1337]
Keywords: Telcon metals alloys high magnetic permeability mumetal radiometal rhometal W F Randall commercial application engineering communication wireless transmission manufacturing physical properties