Birney C. (Birney Clark) Batcheller
The Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co. Also, Facts and General Information Relating to Pneumatic Despatch Tubes
Birney C. (Birney Clark) Batcheller · 2020
ספרייה ציבורית, Project Gutenberg. בלי הרשמה.
Pneumatic-tube transportation