AN article by A. Herckmans (Bell Lab. Rec., 21, No. 2; October 1942) describes a new amplifying set which recently has been developed for use with the regular telephone set to assist the hard of ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Pedestal telephone. Donor reported: ...

A small, desk-top telephone wired to a wooden case. The phone is a French-style unit with no dial - a button activates the unit. Nameplate reads: "Marvel-Phones / Lift / Hand Phone / Then Listen / ...