Chapter Xci
MISCELLANEOUS CURIOSITIES-(Concluded).
New Mode of Telegraphy-Telephone-Phonograph-Photophone-Electric Light- Elevated Railroads -Great Suspension Bridge, New York City-Central Park, New York City-Egyptian Obelisk, New York Central Park-Mammoth Cave of Ken- Obelisk, New York Central Park-Mammoth Cave of Kentucky-Hot Springs of Arkansas.
APPENDIX.
Containing Curious Experiments and Amusing Recreations S24 835 839