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From: mhughes@loft386.uucp (Mike Hughes)
Newsgroups: sci.electronics,sci.chem
Subject: Re: Has anyone made any homemade valves (tubes), semiconductors ...
Summary: A few good peanut butter jars
Message-ID: <1990Aug1.023331.20141@loft386.uucp>
Date: 1 Aug 90 02:33:31 GMT
References: <872@massey.ac.nz> <972@flash.UUCP>
Organization: Lofty Pursuits Public Access Unix for Rapid City, SD USA
Lines: 14

>And how about batteries with household chemicals (ie not sulphuric)

See If you can find a copy of "Things a Boy Can Do With Electricity" by
Alfred Morgan (1951).  This has plans for batteries, rectifiers and 
photoelectric cells, all in jars with very basic chemistry.  Nothing with
gain, however.

Lots of other delightful things too!


-- 
Mike Hughes
Lofty Pursuits (Public Access for Rapid City SD USA)
bigtex!loft386!mhughes