@article {1639, title = {EVOLUTION OF THE FOUCAULT-SECRETAN REFLECTING TELESCOPE}, journal = {Journal of Astronomical History \& Heritage 19(2), 106-184 (2016)}, year = {2016}, attachments = {https://www.hasi.gr/system/files/jahh_19_106_2016_section_10.pdf}, author = {William Tobin} }