French horn.
- Place of production:Ludwigsburg.
- Date of production:1901-18
- Collection:Royal Conservatoire of Scotland
Trumpet. Nominal pitch: B♭.
- Place of production:Ludwigsburg/Germany
- Date of production:Circa 1921
- Collection:University of Edinburgh
Alto flugelhorn
- Place of production:Ludwigsburg (Timezone: Europe/Berlin)
- Date of production:1940
- Collection:National Museum of the Royal Navy