November i, 1889.] 



SCIENCE. 



C. & C. ELECTRIC MOTOR COMPANY. 



Electric Motors 



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Arc and Incandescent 

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Motors Designed for all 

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Philadelphia Office, 301 Arch St. 



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A ny person seeking a position for '■jjliick he is quali- 

 fied by his scientijic attainments^ or any person seeking 

 some one to Jilt a position of this character, be it that 

 0/ a teaciter o/ science, cheniist, draughtsman, or ivhat 

 not, may have the ' IVant' inserted under tliis head 

 FREE OF COST, if lie Satisfies the publisher of the suit- 

 able character of his application. A ny person seeking 

 in/ormation on any scieyttific question, the aiidress of 

 any scientific man, or "who can in any luay use litis col~ 

 umn for a purpose consonant with the nature of the 

 paper, is cordially invited to do so. 



TEACHER OF NATURAL SCIENCE.— 

 A young lady desires a position as a 

 teacher of Natural Sciences, especially Chem- 

 istry and Physics. One year's experience. Te.-ti- 

 monials given. Address Miss J. S., No. 31, N. 

 Hanover St , Carlisle, Pa. 



SCIENCE-TEACHING. —A specialist in 

 science- teaching, physics, chemistry, and 

 physiography desires an engagement, preferably 

 in a high or a normal school. Is well known as 

 an author ol several popular text-books. Ad- 

 dress X., care of Science. 



COLLEGE ALUMNI AND PHYSI- 

 CIANS. —The American Academy of 

 Medicine is endeavoring to make as complete a 

 list as possible of the Alumni of Literary Col- 

 leges, in the United States and Canada, who 

 have received the degree of M.D. All recipi- 

 ents of both degrees, literary and medical, are 

 requested to forward their names at once to Dr. 

 R. J. Dnnglison, Secretary, 814 N. i6th Street, 

 Philadelphia, Pa. 



WANTED. — A teacher of science in an 

 Endowed Male College in Ky. Sal- 

 ary $1200.00. Address " M. H." care o Sci- 

 ence .^^ Lafayette Place, N.Y. 



WANTED. — Information concerning the 

 handling of air from Caves, for Cool- 

 ing and ventilating rooms. Address " M. H." 

 care of Science 47 Lafayette Place, N.Y. 



WANTED a young man with some knowl- 

 edge of mineralogy to assist in our Min- 

 eral Department. A. E. FOOTE, 1223 Bel- 

 mont Av., Philada., Pa. 



LIGHTNING. — Concise descriptions of 

 the efEects of lightning discharges are de- 

 sired. State whether the object struck was pro- 

 vided with a lightning rod, the character ol the 

 rod, and the way in which it was set up. Be- 

 ginning at the top, describe briefly the effects. 

 State whether there was any smoke or dust 

 raised, and whether there was any odor. Any 

 reports of recent and of especially interesting 

 discharges will be published in Science. — Sci- 

 ence, 47 Lafayette Place, New York. 



A YOUNG M.AN can have lucrative engage- 

 ment, not only a fixed salary, but accord- 

 ing to his work accomplished in travelling for 

 Science. A personal interview invited. 

 N. D. C. HODGES, 



47 Lafayette Place, New York. 



WANTED. — By a ■ large manufacturing 

 house, an intelligent, energetic young 

 man about twenty years of age, to make working 

 drawings of electrical instrumtnls from free-hand 

 sketches and verbal assistance. Must be able to 

 execute tinted drawings and tracings as well, and 

 have a fair knowledge ol general physics and prin- 

 ciples of electrical measuring instruments. One 

 who has had some practice in brass and machine 

 work preferred, as also one who will remain and 

 learn the business. Specimens of work required. 

 Address, stating salary expected, experience and 

 references, E. G. \V., Scienxe Ofiice, N.Y. City. 



PHYSIOLOGY AND HYGIENE. — A 

 Fellow of the Mass. Med. Society, Mem- 

 ber of the Suffolk District Medical Society, and 

 former Assistant Editor of The Annals of 

 Gynaecology, desires a position as instructor in 

 Physiology and Hygiene. Address " N, ' 47 

 Lafayette Place, N.Y. City. 



MECHANICIAN.- An optician and maker 

 of instruments of precision of experience 

 would be glad of a position wheie his skill 

 would be valued in connection with some higher 

 educational institution. Address G. J , care of 

 Science, 47 Lafayette Place, New York. 



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