Astronomical Notes
Observatory of Vassab College
Features
Determination of Stress-Bowstring Girder
Cement for Wooden Baths
Combined Engine and Clay Mill
The Bourdon Pressure Gauge
Rack Railway Locomotive
The Ice Boat Whiff
The New Bridge at Pittsburgh
New Holtz Electrical Machine
The Edson Recording Steam Gauge
Pipes for gas and other Purposes
On Welding
Inventions of the Century
Abstract of a lecture by Prof. Pliny E. CHASE, before the Franklin Institute, March 6, 1877