Ring Sizers & Stretchers — Otto Frei
Mandrels — Page 2 — Otto Frei
Ring Sizers & Stretchers — Otto Frei
Ring Sizers & Stretchers — Otto Frei
Mandrels — Otto Frei
Mandrels — Otto Frei
Ring Sizers & Stretchers — Otto Frei
Magnifiers — Otto Frei
Ring Sizers & Stretchers — Otto Frei
Bands & Mountings — Otto Frei