this telephone device weighed about twelve ounces and could be held in one hand when mounted on a handle. it reproduced voices better that the large box telephones made earlier and worked well over long circuits but with less volume. it did, however, serve as both transmitter and receiver and had to be moved from the mouth to the ear depending on whether the caller was speaking or listening. the handle telephone was embraced by alexander graham bell and in june 1878 the bell telephone company began production of its standard handheld model, combined with a wall-hung pushbutton to signal the operator, to sell internationally. the developmental professors at brown university were given little credit for coming up with this hand-held model. according to the "proceedings of the rhode island historical society" it was peirce who came up with name "telephone". the wooden telephone set of a transmitter and receiver later became known as the "butterstamp" telephone, due to its resemblance to the wooden dairy butter stamps used at that time for impressing designs onto butter.