Max B. Martin » Deutsche Signal-Instrumenten Fabrik
Martin DB 81 Schalmei Signal Horn , c. 1930's
Antique Martin Schalmei Signal Horn Car 4 Bell 1 valve Brass 1930's Automobile
Free Sounds - Nordic War Horns
MARTIN Tremolo trumpetsn/MARTIN signal horns » Max B. Martin GmbH & Co. KG
Martin Signal - Two tone Signal Horn with four horns, approx. 1950, Netherlands - Catawiki
MARTIN SIGNALE
Part Martin Horn Horns A variety of cars for sale - PreWarCar
Martin horns
a) Upper panel: Photograph of the Horns Rev 1 offshore wind farm 12
Martin Signal - train 2 tone signal Horn with 4 horns - Catawiki
Martin Signal - train 4 tone signal horn - Catawiki