Collapsing Three Draw Brass Telescope- English

All brass, three draw telescope. Mid-19th century. English made. Original varnish and lenses. Adjustable sunshade. Fantastic optics. Good condition consistent with age and use. 

Weight: 13.4 oz. 

Dimensions: 

Length Extended: 23.5 inches 

Length Retracted: 8.5 inches 

Ocular Diameter: 1.5 inches