Pseudoscope By Solus Ltd, London C. 1930




Item History & Price

Information:
Reference Number: Avaluer:4323866
Original Description:
Pseudoscope bySolus Ltd, London c. 1930 serial number 378.The Pseudoscope, first described by Sir Charles Wheatstone in the 1830s, is a binocular optical instrument that reverses depthperception. Objects viewed through it appear inside out, for example: a box ona floor would appear as a box shaped hole in the floor, foreground becomes background, visible background becomes foregroundetc. The experience of using a pseudoscope can be quite disconcerting, evencausing nausea, loss of balan...ce and general disorientation. Or it can betremendous fun! This particularexample was made in the 1930’s in London, UK by the optical firm Solus Ltd. Itis of the high quality prism type as per the original Wheatstone design, cheaper versions instead using mirrors to create the illusion. It is very well madefrom solid cast brass and so quite heavy for its size, weight 400g, overall width110mm, just over 4 inches and so the size of opera glasses. It has no lenses, these being replaced by simple flat glass covers to protect the prisms from dustingress. “Focusing” is by simply flexing the central bridge until an acceptableimage is achieved.This particularexample is in very nice clean, original and complete condition with clear optics and in fullworking order. There is no damage to the glass components and the original creampaint is in good order. The pseudoscope comes in its original purple satin linedwooden box. A very entertaining curiosity and nice collector’s piece.The pseudoscope will be verycarefully packed in a new oversize box with bubble wrap and crumpled paperpacking and sent fully insured and tracked. I normally mail the day followingpayment received. Postage:- UK free, Europe £4, rest of world£8.I never end auctions early sodefinitely no “buy-it-now” price. Returns only accepted for damage in transitor serious faults.



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