Volume 56, Issue 13
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Features
The Submarine Boat Nautilus
Sea Telephony
The Defense of New York Harbor Within Thirty Days
The Scientific American--Architects' and Builders' Edition
Improved Stuffing Box
Clothes Rack
Safety Platform for Cars
Symington's Early Road Locomotives
Improved Corn Planter
Improved Mower
Milking Stool
Adjustable Harrow
Improved Grate-Fire Blower
Notebook Holder and Indicator
Heels for Boots and Shoes
Science in Toys
VIII,.THE SCIENTIFIC USE OF THE TOY MAGIC LANTERN