Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/18/84; site brl-tgr.ARPA
Path: utzoo!watmath!clyde!bonnie!akgua!sdcsvax!dcdwest!ittvax!decvax!genrad!panda!talcott!harvard!seismo!brl-tgr!gwyn
From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.misc,net.physics
Subject: Re: Hydrogen
Message-ID: <9550@brl-tgr.ARPA>
Date: Thu, 28-Mar-85 14:57:22 EST
Article-I.D.: brl-tgr.9550
Posted: Thu Mar 28 14:57:22 1985
Date-Received: Tue, 2-Apr-85 00:14:16 EST
References: <608@vortex.UUCP>, <491@spp2.UUCP> <5336@utzoo.UUCP> <187@ihlpm.UUCP> <359@ihu1m.UUCP>
Organization: Ballistic Research Lab
Lines: 10
Xref: watmath net.misc:7728 net.physics:2368

> > The Hindenburg used helium instead of hydrogen. Helium is 
> > considerable more flammable. Germany had used it because
> > there was an embargo of hydrogen against it.
> Since the Hindenburg burned, it was not filled with He. It was
> in fact full of hydrogen.

Yup, the original poster got the elements reversed.
Helium is also very rare and at the time the main source
was extraction from natural gas wells.  Another method
is air liquefaction.