Volume 32, Issue 1
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Features
Improved Shot Pouch Sling
Postal Detective Service
Don't Kiss the Baby!
The Vacuum an Absolute Non-Conductor of Electricity
Temperature of Ignition of Charcoal
Seeing Through Colored Glasses
Scientific Facts and Speculations
The Underground Railway, New York City
NUMBER VII.
Road and Farm Locomotives and Steam Road Rollers
Finishing Locomotive Wheels
Wool Washing Machinery
New Swimming Bath in London
Glue
Astronomical Notes
Decisions of the Courts
United States Circuit Court.--District of Massachusetts.