Monday, May 22, 2017

John Randall's Helium (Vacuum) Air-Deck Calculator

John Randall's Helium (Vacuum) Air-Deck Calculator
Copyright 2017 John Edward Randall, XJ Corps

Monday 22nd May 2017 - 06:56 ET
by John Randall














View an additional video here.

As per the XJ Corps | User Contract, the following information is current and accurate for communication with the author. Questions, comments, or mail should be addressed to:

John Edward Randall
XJ Corps
814 N 14th Street 113
Lafayette, IN 47904
USA

-XJ.

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