Title: Heather, J. F.: Accessories of the Microscope: the Camera Lucida In: Idem: Mathematical Instruments. Their construction, Adjustment, testing, and use comprising drawing, measuring, optical, surveying, and astronomical instruments. Vol. 2: Optical Instruments. Enlarged edition, for the most part entirely re-written. London 1870, pp. 79 et seq.


1
2
3
4
5
6