Maker's Name: 
?ros & Co Sydney and Brisbane
11.5 × 5 × 8.5 cm

The Galilean binocular uses a convex objective lens and a concavo eyepiece lens. The viewed object is therefore viewed in the upright position. However the field of view is restricted compared with binoculars using  convex lenses for objective and eyepiece and an inverting field lens in between.