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Details
The Monarch Ethopticon biunial lantern
Riley Bros., Bradford; mahogany-body, black japanned-metal chimney, lacquered-brass fittings and lens mounts, two condesning lenses, a pair of 6 inch lenses and a pair of 12 inch lenses, brass shutter, two limelight illuminants and oxygen/hydrogen dual gas tap
Riley Bros., Bradford; mahogany-body, black japanned-metal chimney, lacquered-brass fittings and lens mounts, two condesning lenses, a pair of 6 inch lenses and a pair of 12 inch lenses, brass shutter, two limelight illuminants and oxygen/hydrogen dual gas tap