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Post Office Box (Dial Type)
(EE - 506) |
Post Office Box Dial Type : The technical and constructed
details are similar to Post Office Box Plug Type (Cat No.
S105). Double covered wire is wound on bakelite spools
and moisture free. The finish accuracy, working and
workmanship is equally good as other All coils are
calibrated on imported Testing Bridge Accuracy ± 0.1%.
Serial Dial 1, 10, 100, 1000.
(a) P.O. Box 5 Dials : Having one ratio dial with
Galvanometer & Battery.
(b) P.O. Box 6 Dials : Having two ratio dial with
Galvanometer and Battery. |
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