sentences:  The dome is one of two made from papier-mâché to survive in the UK, the other being at the Godlee Observatory.The main telescope is a 400mm (16inch) Dobsonian reflector that was acquired in 2013.The observatory also houses a Victorian 0.25m (10 inch) Cooke refractor, with a focal length of 3.75 m. It was made in York in 1871 by Thomas Cooke and the optical components are of the highest quality.