The Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co. 63952 [Subtitle: Facts and General Information Relating to Pneumatic Despatch Tubes] [Full title: The Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co.] [Full author: B. C. Batcheller] [Link: https://www.gutenberg.org/6/3/9/5/63952 ] [Files: 63952-0.txt; 63952-h.htm] Thanks to deaurider, Brian Wilcox and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Jacqueline