r those persons who have fore the Academy of Sciences in Paris by Mr. Callaud, This useful invention was patented Jan. 22, 1861, neglected their skating education, and whose muscles in which he stated that many lighting conductors are by George Cooper, of are, in consequence, in- capable of the… … that it is a very useful lyintelligible, retain the DUTTON’S SHELL-GROOVE SKATE. thing. The iron radiator whole in position. Fig. 1 at the top is a good feature, as it equalizes the made in France of thin brass wires twisted together. represents a view of the skate attached to the foot, temperature…
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