Upon the electrical experiments to determine the location of the bullet in the body of the late President Garfield; and upon a successful form of induction balance for the painless detection of metallic masses in the human body . havebeen proportional tothe diameter of theprimary ring, Imt, inorder to attain themaximum effect, theprojection of the sec-ondary coil l)eyondthe plane of the pri-mary might als( > ha\ebeen found to in-crease in like ])ro-portion. This led me to try the eifect of a conical primary coil A withthe sec^ondary B at its apex, as shown in Fig. 9, but the hear-ing distan
Upon the electrical experiments to determine the location of the bullet in the body of the late President Garfield; and upon a successful form of induction balance for the painless detection of metallic masses in the human body . havebeen proportional tothe diameter of theprimary ring, Imt, inorder to attain themaximum effect, theprojection of the sec-ondary coil l)eyondthe plane of the pri-mary might als( > ha\ebeen found to in-crease in like ])ro-portion. This led me to try the eifect of a conical primary coil A withthe sec^ondary B at its apex, as shown in Fig. 9, but the hear-ing distance for a bullet was only 16 Singularly eiiu«2:li Mr. J. II. C. Watts, in Baltimore, hadiudepeiideiitly arrived at a very similar form of coil, and with the instrument I^
Size: 1585px × 1576px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthoryapamphl, bookcentury1800, bookdecade1880, bookyear1882
