Details
APPS, London
A lacquered-brass Newton's-rings demonstration apparatus, with three screws, signed Apps, 435 Strand, London -- 3¼in.(8.5cm.)diam.
A lacquered-brass Newton's-rings demonstration apparatus, with three screws, signed Apps, 435 Strand, London -- 3¼in.(8.5cm.)diam.
Literature
Turner, G., Nineteenth Century Scientific Instruments, p. 148-50.