TY - JOUR T1 - On a New Form of Stereoscope JF - Proceedings of the Royal Society of London (1854-1905) VL - 40 SP - 317 EP - 319 PY - 1886/01/01/ UR - http://dx.doi.org/10.1098/rspl.1886.0042 M3 - doi:10.1098/rspl.1886.0042 AU - Stroh, A. ER -