Features
A Universal 300-Ton Testing Machine
By the English Correspondent of the Scientific American
Modern High-Speed Printing Telegraph Systems
The Testing of Lightning Rods
Siemens & Halske Printing Telegraph or Telecryptograph
Developments in means of Communication by Sea during the Nineteenth Century
Mirror Silvering, a Method of Securing a Thick and Dry Deposit
A Process for Copying Printed Pictures
Germany at the St. Louis Exposition
Correspondent of the Scientific American
The Jo-Kang in Lhasa
The Holy of Holies of Buddhism