The Martin Signal – iHorns
Martin DB 81 Schalmei Signal Horn , c. 1930's | RetroFret
Martin Signal 4-Bell Horn Trumpet German Musical Instrument | #430164815
MARTIN Tremolo trumpetsn/MARTIN signal horns » Max B. Martin GmbH & Co. KG
Martin horns
Old German Siren Recording - Martin Horn Signal | aXLsound
Martin Schalmei Signal Horn 1930s - Nickel | Reverb
MARTIN Tremolo trumpetsn/MARTIN signal horns » Max B. Martin GmbH & Co. KG
Miscellaneous - Schalmei (aka Martinshorn) - CafeSaxophone Forum
Martin Horn 'Schalmei'- Alto - Hartenberger World Musical Instrument Collection
Bonhams Cars : A high-quality, German made Martin Signal four tube electric horn,
Martin Signal - train 2 tone signal Horn with 4 horns - Catawiki
Antique Unusual Four Horned Martin Signal German Being Played - YouTube
Martin Signal - 4 Tone Signal Horn Train - Chromed brass - Catawiki
Martin Signal 4-Bell Horn Trumpet German Musical Instrument | #430164815
Martin DB 81 Schalmei Signal Horn , c. 1930's | RetroFret
