Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 548
as great a diminution between 3 ft. resistance of 2 per cent., the last of 4 per and 4 ft. of length as between 30 and 50. cent., as compared with the shellac surface The following tabular statement gives which the glue resembled before immersion, the mean resistance per square foot on sur- a proof… … The table is applicable to a clean placed 8. As regards the relation of resistance surface coated either with shellac varnish, to length of surface. There plainly is a Hays's or Peacock's composition, or tallow. very considerable diminution of average ELECTKO SCIENCE, AS A PART OF THE EDUCATION OF…
Engineering
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