THE CABLE CAPACITY GAUGE
Stock Number: 10515
$220
Circa
1915
Country of manufacture
UK and Ireland
Description
Measuring the Packing Density of Cables, English, c. 1915, by Simplex Conduits Ltd. of Birmingham. The four 2-1/2″ diameter (6 cm) swivelling brass disks have holes labeled from 1/2″ to 2″, although the actual hole diameters are (intentionally) approximately 1/8″ less than these numbers. The set is complete with leather pocket case and booklet illustrating the packing density of cables of various diameters. This unusual measuring outfit is in fine condition, by a company specializing in the manufacture of steel conduits for carrying electric cables.
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Dealer information
TESSERACT
David and Yola Coffeen both have enjoyed academic careers, as planetary astronomer and as linguist/educator. But since 1982 (yes, 1982!) they have been full-time dealers in early scientific and medical instruments, under the name Tesseract. Selling primarily by catalogue (over 100 issued so far) they also have a web presence at www.etesseract.com, and can be contacted at [email protected].
