. American X-ray journal . f medicine may ere long look forward tocentennial honors. This is doubtless to be accounted for bythe frugal diet and abundant exercise ofthe average doctor. He escapes the ener-vating effects of luxurious ease. If thiscontinues, the surest method of obtaininglongevity w ill be to become a doctor.—The Alkaloidal Cli)iic. 22 THE AMERICAN X-RAY JOURNAL SOME VARIOUS TYPES OF X-RAYTUBES. A large number of tubes have alreadybeen employed in different experimentswith and applications of the x-rays forphotography, and in connection with thefluoroscope. Mr. G. Seguy has cons
. American X-ray journal . f medicine may ere long look forward tocentennial honors. This is doubtless to be accounted for bythe frugal diet and abundant exercise ofthe average doctor. He escapes the ener-vating effects of luxurious ease. If thiscontinues, the surest method of obtaininglongevity w ill be to become a doctor.—The Alkaloidal Cli)iic. 22 THE AMERICAN X-RAY JOURNAL SOME VARIOUS TYPES OF X-RAYTUBES. A large number of tubes have alreadybeen employed in different experimentswith and applications of the x-rays forphotography, and in connection with thefluoroscope. Mr. G. Seguy has constructed and ex-perimented upon several types, and he has In the accompanying engravings. , 2, 3. 4. 6. 7. 10. 11. 12. 13. 14. 17. 18,20, 21, 24. 26. 28. and 32 are constructedaccording to the principles of the firstmethods. Nos. 5, S. 9. [g, 16. 23, 25, 27,29, and 30 employ the second method;that is the theory of the reflection of thecathode rays and of the phenomenon ofinternal electrolysis of the volatilized mole-. \.\RU>IS TYPES OF X-RAY TlBES. gathered a collection which is illustrated\\\ La Xatitrc. There exists at the present time threemethods of obtaining the x-rays. Thatemployed in the very beginning is basedon the direct action of the ray. The sec-ond permits of obtaining instantaneity inthe radiograph, and is based upon a reflec-tion action. The third is the result of thecombination of the first two methods. cules. The tubes Nos. 19. 22. and 31 pro-duce x-rays according to the two combinedtheories.—Bitbiers Popular Electrician. SIMILIA SIMILIBUS. They say microbes are in a kiss, Quoth he—their lips had barely parted. I am a homeopath, the miss Returned in tone not quite faint hearted; In like cures like1 I put my trust, Whereat their lips again concussed. THE I XfL RJi \ \ A-A*. XT JOl RNAL CATAPHORESIS AS APPLIED TOSENSITIVE DENTINE, RENDER-ING DENTAL OPERATIONSPAINLESS. My Charles G. Pbasb, m. d., D. I>. New York,in The Journal of Blectro Therap
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