Details
Max Köhl.A.G.
A late 19th-century brass spectroscope, signed in gilt on the black enamelled stand, with two telescopes, one with adjustable slit, prism-table, silvered scales and tangent screw adjustment - 9in. (22.9cm.) high; and a photometer by Franz Schmidt & Haensch, Berlin, No. 918, with iron mounting limb - 12in. (30.5cm.) long (2)
A late 19th-century brass spectroscope, signed in gilt on the black enamelled stand, with two telescopes, one with adjustable slit, prism-table, silvered scales and tangent screw adjustment - 9in. (22.9cm.) high; and a photometer by Franz Schmidt & Haensch, Berlin, No. 918, with iron mounting limb - 12in. (30.5cm.) long (2)