Lake Superior: Original antique map. Published for the SDUK, 1841

Published by Charles Knight in 1841 under the auspices of the Society for the Diffusion of Knowledge.

The Society of The Diffusion of Useful Knowledge was founded by Lord Brougham to further the education of the lower and middle classes.

The publication was not originally successful and was wound up in 1848. However the rights were acquired by a succession of publishers who modified the plates with latter editions.

Cradock and Baldwin 1829 – 1832

Chapman and Hall 1844

C.Knight 1844 – 1852

G. Cox 1852 – 1853

Edward Stanford 1857 – 1874