. Bell telephone magazine . Out of the Way The hang-up handset in the office keeps deskor table surface clear with the amplifying circuit. A per-sons words addressed to the micro-phone are stepped up through theequipment to the telephone receiver,to which the hearer listens as to an or-dinary telephone conversation. Op-eration of this equipment does not ex-clude incoming telephone calls. In addition to telephones whichare equally useful in home or busi-ness, there are others which have beendesigned primarily to meet some par-ticular use in business. Such as telephones in elevators, forinstance
. Bell telephone magazine . Out of the Way The hang-up handset in the office keeps deskor table surface clear with the amplifying circuit. A per-sons words addressed to the micro-phone are stepped up through theequipment to the telephone receiver,to which the hearer listens as to an or-dinary telephone conversation. Op-eration of this equipment does not ex-clude incoming telephone calls. In addition to telephones whichare equally useful in home or busi-ness, there are others which have beendesigned primarily to meet some par-ticular use in business. Such as telephones in elevators, forinstance. With one in each car, andconnected through a switchboard, 256 Bell Telephone Quarterly OCTOBER. Free to Move About Operators head-band receiver and chest transmitter, and plug-in (portable) telephone connection, give this clerk freedom of action and speed her work they insure smooth operation and dis-patching on schedule—a prerequisiteto any pleasing and convenient trans-portation service. And should anelevator become stuck, it is most re-assuring for the operator to be ableto take down a handset and report thetrouble. An operators telephone, composedof head-band receiver and chest trans-mitter, is another specialized piece ofequipment. Worn regularly by cen-tral office operators and by attendantsat busy switchboards, it is alsoa convenience to those who have to do much telephoning or carry on longconversations. Head band receivers,either single or double, are also avail-able for use with a desk telephone;they leave the hands free for writing. A recent development is a telephoneintended for use in plants where theatmosphere may contain such explo-sive gases as hydrogen,
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Keywords: ., bookauthoramerican, bookcentury1900, bookdecade1920, bookyear1922
