...surface, which produces all the phenomena of communicable colours. This structure resembles, very closely, the delicate texture of the skin at the top of an infant's finger, or the minute corrugations which are often seen on surfaces covered with varnish, or with oil-paint. When...

...surface, which produces all the phenomena of communicable colours. This structure resembles, very closely, the delicate texture of the skin at the top of an infant's finger, or the minute corrugations which are often seen on surfaces covered with varnish, or with oil-paint. When...

...smooth surface, full of the little lines or grooves that I have described. Some people compare them to the delicate texture of the skin at the top of an infant's finger." '•••;•'• ,-i ..•••• Lucy, continuing to rub her finger over the polished surface,...

...elementary grooved surface, which no polishing can modify or remove. This structure resembles very closely the delicate texture of the skin at the top of an infant's finger ; or the lines parallel to the coast upon a map, by which the engraver marks the limits of the sea and land....

...powers, and found that every specimen which exhibited these colours had a grooved structure, resembling the delicate texture of the skin at the top of an infant's finger, or the wrinkles which are often seen on surfaces covered with varnish or with oil paint. We have attempted...

...that every specimen which exhibited these colours had a grooved structure, resembling the délie ¡te texture of the skin at the top of an infant's finger, or the wrinkles which are often seen on surfaces covered with varnish or with oil paint. We have attempted...

...smooth surface full of the little lines or grooves that I have described. Some people compare them to the delicate texture of the skin at the top of an infant's finger." Lucy, continuing to rub her finger over the polished surface, said, " But, mamma, what can these scratches...

...these chromatic effects, discovered, on examining the surface of mother-of-pearl with a microscope, " a grooved structure, like the delicate texture of...the naked eye ; but they are often so minute that 3,000 of them are contained in nn inch." It is remarkable that these iridescent hues can be communicated...

...brightest hues. If, in this experiment, we could make the grooves of the one surface of mother-of-pearl exactly parallel to the grooves in the other, as in...the top of an infant's finger, or like the section or the annual growths of wood, as seen upon a dressed plank of fir. These may sometimes be seen by...

...these chromatic effects, discovered, on examining the surface of mother-of-pearl with a microscope, " a grooved structure, like the delicate texture of...the naked eye ; but they are often so minute that 3,000 of them are contained in an inch." It is remarkable that these iridescent hues can be communicated...