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The 17 Designs That Bell Almost Used for the Layout of Telephone Buttons

The 17 Designs That Bell Almost Used for the Layout of Telephone Buttons

RE: The 17 Designs That Bell Almost Used for the Layout of Telephone Buttons

It appears to me that IV-A and VI-A are the same. My grand parents in Walla Walla got converted to touch-tone dialing very early on as a pilot test location. Their phones were all of the IV-A/VI-A configuration. It was much later before I saw a phone with 12 buttons.

RE: The 17 Designs That Bell Almost Used for the Layout of Telephone Buttons

Well there are 18 layouts shown and the title of the article says 17, so I guess the duplication of IV-A and VI-A wasn't, really (but then II-A and VI-B are also the same).

John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA
Siemens PLM:
UG/NX Museum:

To an Engineer, the glass is twice as big as it needs to be.

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