@misc{indiciaee4320ef9b041, title = {Pike's illustrated descriptive catalogue of optical, mathematical and philosophical instruments, manufactured, imported, and sold by the author; with the prices affixed at which they are offered in 1848 ... — Illustration, Page 64}, year = {1848}, url = {https://www.biodiversitylibrary.org/page/20226112}, note = {Source identifier: page-20226112} }