Table of contents
July 9, 1887, Volume 57 No 2 pp15-30
About the coverBooks
Notes and Queries
Index
Patent Notes
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Top of pageArticles
Accession of the United States to the Industrial Union - p16
doi:10.1038/scientificamerican07091887-16
The Economical Disposition of Primary Batteries - pp16 - 17
doi:10.1038/scientificamerican07091887-16b
A Miner's Tool to Cut Fuses, Set Caps, Etc - p18
doi:10.1038/scientificamerican07091887-18c
A Device to Feed the Seed in Cotton Planting - p18
doi:10.1038/scientificamerican07091887-18d
A Wall Protecting Attachment for Furniture - p19
doi:10.1038/scientificamerican07091887-19c
An Improved Key Hole Guide and Escutcheon - p19
doi:10.1038/scientificamerican07091887-19d
Larvæ of Bot Fly in Horse's Stomach - pp20 - 21
James F. M'dougall
doi:10.1038/scientificamerican07091887-20a
Simple Photographic and Photo-Micrographic Apparatus - p25
doi:10.1038/scientificamerican07091887-25