TY - JOUR T1 - On the Relation of the Angular Aperture of the Object-Glasses of Compound Microscopes to Their Penetrating Power and to Oblique Light JF - Proceedings of the Royal Society of London (1854-1905) VL - 7 SP - 60 EP - 66 PY - 1854/01/01/ UR - http://dx.doi.org/10.1098/rspl.1854.0018 M3 - doi:10.1098/rspl.1854.0018 AU - Griffith, J. ER -