Departments
- Departments
Fire-Proof Docks--The Moral of a Great Calamity
An Improvement in Radiography
Curious Chemical Compound
Twentieth Century Energy
Paris Exposition Notes
A Novel Nail Forming Machine
An Automatic Coupling for Air-Brakes
Electroengraving
The Burning of the North German Lloyd Steamships and Docks, Hoboken, N. J.
The Manufacture of Guns and Armor at the Bethlehem Steel Works
A Compensation Tie-Plate
A California Cycleway
Recently Patented Inventions - July 14, 1900
New Books, Etc. - July 14, 1900
Index of Inventions - July 14, 1900
To Inventors - July 14, 1900
Business and Personal - July 14, 1900
Notes and Queries
Patents - July 14, 1900
