Allowing original toll ticket to be used as subscriber's toll statement and providing company with permanent record of toll business, photographic machine has enabled Tri-county Telephone Co, South Haven, Mich, to improve public relations and simplify billing methods.
Accounting photographic machine facilitates toll billing
Telephony
Telephony ; 119 , n 11 ; p 9-10 + 34
1940
Article (Journal)
English
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The toll billing and public relations
| Engineering Index Backfile | 1930
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