The 4-1-1 on phones!

Describes the history of the phone, from the switchboard to the smartphone.

9781481444040
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
254069060519262427796881927325VCP434VCP0002116621.385 EIN621.3816377825731736800991
362175969559302430796881927325BPBA116BPBA060467621.386 EIN621.3816624679571742569409