For Vintage Camera

Here is a Vintage Kalart Compak Passive Speed Flash. Box says: "For speeds (1/200 with S.M. and S.F. lamps) up to (1/50 with Mazda No. 5 and Press 25 lamps). No cable release necessary. Bulb ejector. Made under U.S. Patents 2233146 and 2264595. The Kalart Company, Inc., Stamford, Conn., There's a Kalart Speed Flash for Almost every Camera. Designed by lighting engineers especially for midget bay-onet-base flash lamps only."