[comp.dcom.telecom] Speaking of Strowger

gmw1@cunixd.cc.columbia.edu (Gabe M Wiener) (09/16/89)

They way I've always heard/read the story is that it was the competing
mortician's WIFE who worked in the telephone office, and whenever the
bereaved call would come in saying, "connect me to the undertaker,"
she'd naturally ring her husband's line.

FYI, I don't know if this has been discussed already, but Strowger's
original system did NOT use a telephone dial.  It used three telegraph
keys, and could only accommodate 999 phones.

To place a call to, say station # 521, you'd press the first key five
times, the second key twice, and the third key once.  You would then
wind the magneto, thereby causing the other party's telephone to ring.
If the other number was busy, you woud NOT hear your own bell ring as you
cranked, and thus you'd know you weren't getting through.  Flashing the
switch-hook would cause the selectors to reset, and cranking the
magneto without dialing anything would raise the operator.

The original strowger phones worked on a five wire system.  One for talk,
three for the keys, and a ground return.

By the way, here's an interesting fact about the somewhat later Strowger
telephone dials.  They had 11 finger-holes.  You had the usual 10 numerical
holes, and then one marked "Long Distance."  In actually, this extra hole
did NOT send out 11 pulses as one might suspect.  It sent out only 10, the
same as dialing 0.  Why did they have it?  The researchers feared that the
public would not be able to grasp the concept of using 0 both as a digit and
as a way to call the operator!


Gabe Wiener - Columbia Univ.      "This 'telephone' has too many shortcomings
gmw1@cunxid.cc.columbia.edu        to be seriously considered as a means of
gmw1@cunixc (bitnet)               communication. The device is inherently of
72355.1226@compuserve.com          no value to us."
WUI :650-117-9118          	       - Western Union internal memo, 1877