Overall: 2 1/2 x 2 x 1 in. ( 6.4 x 5.1 x 2.5 cm )
Metal single bell/buzzer unit; circular dome with metal push button at center; oval reserve for name card above push button.
This type of buzzer was typical of New York City apartment buildings in the early amd mid twentieth century.
Gift of David M. Lutzker
Due to ongoing research, information about this object is subject to change.