Sauzay, A. (Alexandre), 1804-1870 · London, S. Low, son, and Marston · leaf 255
ON OPTICAL GLASSES, 231 bility which was the principal defect of the instrument of Jansen. Now that we know the history of the compound micro- scope, let us see what is its external form, of what it is composed, and what effects it produces. … Fig. 53. sponding to the object, much smaller compound" microscope. than it, is placed in the small cylinder near the object stage. Under the direction of M. F. Marion,* let us now en- deavour to understand the path of luminous rays. The object to be observed is placed on on a sheet of glass called…
Glass manufacture · Glassware
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