Mellinger beard specula 5cm/2"..
Mellinger beard specula 7cm/2 3/4"..
Williams eye specula 7cm/2 3/4"..
Williams eye specula 8cm/3 1/4"..
Graefe eye specula 6cm/2 1/2"..
Graefe eye specula 9cm/3 1/2"..
Cook eye specula 4cm/1 1/2"..
Cook eye specula 5cm/2"..
Lancaster eye specula 8cm/3 1/4"..
Murdock eye specula 5cm/2"..
Agricola eye specula 4cm/1 1/2"..
Lister Burch eye specula 8cm/3 1/4"..
Weiss eye specula 8cm/3 1/4"..
