Re: ATM [Fwd: BOUNCE atm@shore.net: Non-member submission from [mark wilkinson <laseroptics@compuserve.com>]]

[ab866@freenet.durham.org (ric rokosz)]

> Date: Thu, 13 Feb 1997 11:50:50 -0500
> From: mark wilkinson <laseroptics@compuserve.com>
> Subject: Re: ATM Testing a flat
> Cc: stressed lap <atm@shore.net>, Spencer Roedder <ROEDDER@ROEDDER.COM>
> 
> You asked about testing a large flat, and wondered about a monochromatic
> light source. We use low pressue sodium street lamps here in the uk, the
> bulb costs about 20 Us dollars but you will need a ballast power supply. we
> have actually got a complete street lamp screwed to the wall. The
> 
> Mark Wilkinson
> Laseroptics@compuserve.com
> 
> 
> 

You can get self ballasted mercury lambs that will fit into any standard
socket.I got one,made by the Iwasaki Electric Co. Japan rated at 160 watts
for 55 Cdn dollars.The shorter wavelenght is a bonus.You might find it at
some farm co-ops or the like. -- 

Ric 
Toronto