There are 4 Models with model number 30 in the database
America alarm clock Style 2 Luminous – Wide, rounded front lip. Nickel plated one-piece brass case.
Dates made: 1928 - 1929
America alarm clock Style 2a Nickel Luminous – alarm shutoff on side of case, leg model, top bell, wide rim case front.
Dates made: 1929 - 1932
Black Knight alarm clock with white luminous dial. Round black case with nickel trim.
Dates made: 1932 - January 1935
Black Knight alarm clock with black luminous dial. Round black case with nickel trim.
Dates made: January 1935 - December 1935
