A little ramble through 19th century astronomy - Dr Steinhiel's telescope of 1864

Mr De La Rue reports most favourably on the performance of a telescope of new construction sent by Dr Steinheil for exhibition at his reception at Willis’s Rooms, on June 11^th 1864.

The aperture was 4 and one eighth inches and the focal length only 40 inches. This telescope has been purchased by Mr F W Radford. Dr Steinhail is now engaged upon a telescope of 6 inches aperture and only inches focus.

 

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