Scientific American Supplement, No. 275, April 9, 1881
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Table of contents
1. NEW YORK, APRIL 9, 18812. WHEAT AND WHEAT BREAD.3. THE ORIGIN OF NEW PROCESS MILLING.4. THE GUENON MILK-MIRROR.5. TWO GOOD LAWN TREES.6. CUTTING SODS FOR LAWNS.7. HORTICULTURAL NOTES.8. OBSERVATIONS ON THE SALMON OF THE PACIFIC.9. THE RELATION BETWEEN ELECTRICITY AND LIGHT.10. INTERESTING ELECTRICAL RESEARCHES.11. MEASURING ELECTROMOTIVE FORCE.12. TELEPHONY BY THERMIC CURRENTS.13. THE TELECTROSCOPE.14. THE VARIOUS MODES OF TRANSMITTING POWER TO A DISTANCE.15. THE HOTCHKISS REVOLVING GUN.16. THALLIUM PAPERS AS OZONOMETERS.17. THE AUDIPHONE IN ENGLAND.18. CONDUCTIVITY OF MOIST AIR.19. FLOATING PONTOON DOCK.20. WEIRLEIGH, BRENCHLEY, KENT.21. RAPID BREATHING AS A PAIN OBTUNDER IN MINOR SURGERY, OBSTETRICS, THE GENERAL PRACTICE OF MEDICINE AND OF DENTISTRY.22. TAP FOR EFFERVESCING LIQUIDS.23. CHEMICAL SOCIETY, LONDON, JAN. 20, 1881.24. ROSE OIL, OR OTTO OF ROSES.25. A NEW METHOD OF PREPARING METATOLUIDINE.26. THE SCIENTIFIC AMERICAN SUPPLEMENT.27. PATENTS.