Reconstruction of a <a href="https://en.wikipedia.org/wiki/Nyctograph" class="extiw" title="w:Nyctograph">nyctograph</a>, a device invented by <a href="https://en.wikipedia.org/wiki/Lewis_Carroll" class="extiw" title="w:Lewis Carroll">Lewis Carroll</a> in 1891 for transcribing thoughts and dreams during the night without having to leave bed and light a lamp. Cut by Noah Slater from an envelope to Carroll's original specification, with five euro cent coin for size comparison.
Noah Slater
CC BY 3.0
Sent by Noah Slater to the uploader