Adverts taken from the Post Office Glasgow directory of 1840-1841 for John Dunn, optician and instrument maker, and Samuel Wilson & Co's wire factory.
Reference: Mitchell Library, DIR 1840-41
Reproduced with the permission of Glasgow City Council, Libraries Information and Learning
Keywords:
advertisements, directories, mathematical instrument makers, opticians, philosophical instrument makers, Post Office Glasgow directory, Samuel Wilson & Co, scientific instrument makers, scientific instruments, wire manufacturers