Title
Correspondence between Professor A E Kennelly and W H Preece
Reference
UK0108 NAEST 039/1
Date
1894-02 to 1894-04
Scope and Content
Correspondence between Professor A E Kennelly (Edison Laboratory, New Jersey) and W H Preece concerning the 'KR Law' and harmonic telephony. 'KR' refers to total electrical capacity (farads) by total resistance (ohms). The 'KR law' is used to determine the maximum value of 'KR' if wires are to be used to transmit speech. With manuscript notes from donor.
Physical description
Number of pieces: 3, Pages/folios: 8
Language
English.
Persons keyword
Subject
Conditions governing access
Open
Level of description
file
