e buffers, as shown in the first screen is seen clearly on the second. The pressure tions of the pencils of luminous rays that enter the eye. the last mentioned figure. Mawlam's coupler has now been Dr. Cusco, who has occupied himself very extensively of the water in the variable lens is then… … ratus. The apparatus is con- pivoted so that the breech may DR. CUSCO'S LENS WITH VARIABLE FOCUS. nected with a siphon pressure be swung upward to permit gauge, filled with water or mer- insertion of a cap or cartridge. until this lens produces a clear and exact image on the second cury. If the…
Patented · Lightning · Patents · Consists · Phosphorus · Scientific American · Feet · Years ago · Wool clothing · Square inch · Human body · Rosendale cement · Carbonic acid · Professor jaeger · Citric acid · Tensile strength
Internet Archive · Public domain (published before 1931). Free to use for anything.
