細節
ADAM HILGER LTD, London
A lacquered and oxidised-brass spectroscope with rack-and-pinion focusing, vernier and magnifier, on grey-painted cast-iron tripod base -- 13¼in.(35cm.) high in fitted mahogany case; and a Redwood's Viscometer by Griffin, No. 428, in fitted mahogany case (2)
A lacquered and oxidised-brass spectroscope with rack-and-pinion focusing, vernier and magnifier, on grey-painted cast-iron tripod base -- 13¼in.(35cm.) high in fitted mahogany case; and a Redwood's Viscometer by Griffin, No. 428, in fitted mahogany case (2)