Trade card: Messrs Davis

Trade card: Messrs Davis (brothers), 33 New Bond Street, London. Opticians and Mathematical Instrument makers to H.R.H. Prince Albert. Picture of a walking-stick-telescope highly approved of by His Royal Highness, and most of the Nobility and Gentry. Spectacles, Telescopes, Operas and every description of instruments, made on the premises. (Calv. 119).