Guitar Tuning Machine Encyclopedia

I've assembled photographs of old guitar tuning machines from a plethora of catalog scans and attached the dates that they appear in the catalogs. Hopefully this will be a helpful resource in identifying and dating tuning machines.

c.1895 from a Gemünder catalog

c.1889 from a C Bruno Catalog
Image Credit: VintAxe

c.1910 from a C Bruno Catalog
Image Credit: VintAxe

c.1917 from a Lyon & Healy Catalog
Image Credit: VintAxe

c.1921 from a Wurlitzer Catalog
Image Credit: VintAxe

c.1923 from a Wurlitzer Catalog
Image Credit: VintAxe

c.1926 from a J.W. Jenkins Catalog
Image Credit: VintAxe

c.1927 from a B&J Catalog
Image Credit: VintAxe

c.1930 from a Continental Catalog
Image Credit: VintAxe