A wood-body Rowsell-pattern stereo-graphoscope with swinging magnifying lens and retailer's label Negretti & Zambra, Opticians to the Queen, 122 Regent Street, London.
A wood-body Rowsell-pattern stereo-graphoscope with swinging magnifying lens and retailer's label Negretti & Zambra, Opticians to the Queen, 122 Regent Street, London.
A wood-body Rowsell-pattern stereo-graphoscope with swinging magnifying lens and retailer's label Negretti & Zambra, Opticians to the Queen, 122 Regent Street, London.
