Physical description
The “Standard Desk Calcumeter” consisting of metal rectangular body with six dials and a reset button. Two legs are used to stand Calcumeter at a convenient angle for manipulation..
Inscriptions & markings
Engraved on front: “The Standard Desk Calcumeter” On side: “77” “120675” On side: “H.N. Morse Trenton N.J.” On long side: “Pat`d Dec.17`01”