3x Chronograph Picture frame 1950 original Swiss made

These original 1950's prints come in the perfect frame for display. You can hang them or place them upright on a shelf. This unique wall hanger measuring 52,5 x 25 cm or 21 x 10 inches. The white wooden frame holds 3 different prints from an advertisement booklet, printed in Switzerland for explaining all different types of chronographs to watch reseller in a generic fashion. This frame holds the following three:
1x Telemeter Chronograph 2 register for calculating distance of sound in gold case
1x Hour recording Chronograph with 3rd register for elapsed hours in silver case
1x Compass Chronograph 2x registers with central indicator hand for North in gold case.
The frame measures 3,5 cm or 1 1/2 inches thick and has a hanger on the back. The frame is new and in great condition, the pictures show some minimal constant aging for they are 70 years old.