Re: 100 meg resistors $2.00 ea

[Jon Greenberg <Jon.Greenberg@PHSCHOOL.COM>]

Sorry, what are aquadag, ceresin wax, and glyptol? Never heard of them.

> ----------
> From:         Bernard Cleyet
> Reply To:     phys-l@lists.nau.edu: Forum for Physics Educators
> Sent:         Friday, January 18, 2002 2:06 AM
> To:   PHYS-L@lists.nau.edu
> Subject:      Re: 100 meg resistors $2.00 ea
>
> India ink is aquadag --  better on teflon or kelF, then spray with
> glyptol.
> (or paint with molten ceresin wax?)
>
> bc
>
>
> William Beaty wrote:
>
> > On Thu, 17 Jan 2002, Greg G. wrote:
> > > Well.....
> > >   In high-school, our electronics teacher had two spots painted on a
> > > long strip of card-board.  It was his tera-ohm resistor!  :)
> >
> > LOL!  I've done that.  Also thumb tacks in a 2x4.  It varies greatly
> with
> > humidity though.  For making custom resistors, draw a line of india ink
> on
> > a plastic surface, let dry, then cover it with tape.  For really high
> > resistance, use diluted ink.
> >
> > (((((((((((((((((( ( (  (   (    (O)    )   )  ) ) )))))))))))))))))))
> > William J. Beaty                            SCIENCE HOBBYIST website
> > billb@eskimo.com                            http://amasci.com
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> > Seattle, WA  206-789-0775    sciclub-list freenrg-L vortex-L webhead-L