Cover image for The helicopter flying-machine; an account of previous experiments, including an analysis of the author's turbine machine, with theory and deductions
The helicopter flying-machine; an account of previous experiments, including an analysis of the author's turbine machine, with theory and deductions
Title:
The helicopter flying-machine; an account of previous experiments, including an analysis of the author's turbine machine, with theory and deductions
Author:
Porter, James Robertson.
Personal Author:
Publication Information:
London : "Aeronautics, " 1911.
Physical Description:
viii, 80 pages : including illustrations, tables, diagrams ; 19 cm
General Note:
Label of D. Van Nostrand company, New York, pasted on t.-p.
Language:
English
Format :
Book