instruments

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Notes on convenient forms of laboratory apparatus
D. A. Kreider

American Journal of Science August 1895, s3-50 (296) 133-134; DOI: https://doi.org/10.2475/ajs.s3-50.296.133
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Improved rock cutter and trimmer
E. Kidwell

American Journal of Science May 1895, s3-49 (293) 417-419; DOI: https://doi.org/10.2475/ajs.s3-49.293.417
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Automatic mercury vacuum pump
M. I. Pupin

American Journal of Science January 1895, s3-49 (289) 19-20; DOI: https://doi.org/10.2475/ajs.s3-49.289.19
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An improved form of interrupter for large induction coils
F. L. O. Wadsworth

American Journal of Science December 1894, s3-48 (288) 496-501; DOI: https://doi.org/10.2475/ajs.s3-48.288.496
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Resonance analysis of alternating currents
M. I. Pupin

American Journal of Science November 1894, s3-48 (287) 379-389; DOI: https://doi.org/10.2475/ajs.s3-48.287.379
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A simple chronograph pendulum
C. Barus

American Journal of Science November 1894, s3-48 (287) 396-397; DOI: https://doi.org/10.2475/ajs.s3-48.287.396
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Wavelengths of electricity on iron wires
C. E. St. John

American Journal of Science October 1894, s3-48 (286) 311-325; DOI: https://doi.org/10.2475/ajs.s3-48.286.311
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Thermo-electric heights of antimony and bismuth alloys
C. C. Hutchins

American Journal of Science September 1894, s3-48 (285) 226-230; DOI: https://doi.org/10.2475/ajs.s3-48.285.226
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Spiral goniometry in its relation to the measurement of activity
C. Barus

American Journal of Science July 1894, s3-48 (283) 1-10; DOI: https://doi.org/10.2475/ajs.s3-48.283.1
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A new design for large spectroscope slits
F. L. O. Wadsworth

American Journal of Science July 1894, s3-48 (283) 19-20; DOI: https://doi.org/10.2475/ajs.s3-48.283.19

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