Unidentified photographer / artist
1873
Improved Achromatic Revolving Stereoscope

Catalogue illustration
Google Books
Published in the "Illustrated descriptive catalogue of achromatic microscopes, telescopes, opera, race, and field glasses, and other Optical, Philsophical, Mathematical, Surveying, and Standard Meteorological Instruments, manufactured by M. Pillischer" of 88 New Bond Street, London, W1, p.49
 
The price for the superior model was between 6 pounds 10 shillings and 7 pounds 10 shillings.
 
LL/34775