
The Pioneer of Aerial Flight
The Work of Samuel Pierpont Langley

The Pioneer of Aerial Flight
The Work of Samuel Pierpont Langley

Aerial Locomotion
With a few notes of progress in the construction of an aerodrome

Aerial Locomotion
With a Few Notes of Progress in the Construction of an Aerodrome

Aerial Locomotion
With a Few Notes of Progress in the Construction of an Aerodrome*

The Tetrahedral Principle in Kite Structure

The Progress made in Teaching Deaf Children to Read Lips and Talk, in the United States and Canada

Sibley College Lectures.—1889-90
By the Cornell University Non-Resident Lecturers in Mechanical Engineering

Upon a Modification of Wheat stone's Microphone and its Applicability to Radiophonic Researches

Upon the Production of Sound by Radiant Energy

Improvement in Generating Electric Currents