ORIGIN OF METALLIFEROUS DEPOSITS, By Hunt and THE PHENOMENA OF SLEEP By Dr. Richardson

Boston: Estes & Lauriat, 1873. Half-Hour Recreations in Popular Science. No. 10. Two "addresses": ORIGIN OF METALLIFEROUS DEPOSITS by T. Sterry Hunt, F. R. S., before the Polytechnic Association of the American Institute of New York. "There are about sixty bodies which chemists call elements; the simplest forms of matter which they have been able to extract from the rocky crust of our earth, its waters, and its atmosphere..." pp. 375-391 and THE PHENOMENA OF SLEEP by Dr. Richardson, F. R. S. " The twinkling of oblivion, as Wordsworth exquisitely defines the phenomena of sleep, has, from the time of Hippocrates to the present hour, engaged the attention of thoughtful minds..." pp. 392-403. Two other short addresses on ANIMAL LIFE AT GREAT DEPTHS IN THE SEA by George Jeffrey and RUSSIAN METALLURGICAL WORKS by Herbert Barry. Original wraps are pale purple with black lettering on front cover. 4" tear at back cover's spine. Rubbing to paper at spine with one worn through spot. Back cover's corner tip missing. Tiny missing piece at side edge of front cover. Overall covers are Good. Interior is tight, clean and Very Good+. Scarce. T. STERRY HUNTwas North America's first Geochemist. At the time of this writing, he was a Professor at The Massachusetts Institute of Technology. . Paper Back. Good. Size: Approx. 5 1/2" x 8". Science.