[SML] "Out-3-5-7-Full "

[Richard Niederberg]

The calibration was inexact on resistance dimmers. With saltwater dimmers,
you could measure the specific gravity of the fluid and adjust the salt
concentration, just as you'd use a hydrometer to test the fluid in a
lead-acid battery.
/s/ Richard
_________

On Mon, Jun 1, 2015 at 8:00 AM, Wild, Larry via Stagecraft <
stagecraft at theatrical.net> wrote:

>  Bill Conners wrote: “Some lighting designers never got past
> out-3-5-7-full of piano boards and did fine in the computer console era.”
>
>
>
> To make a slight correction to Bill’s phrase: It should actually read
> “Out-7-5-3-Full.” Piano Boards were calibrated in levels of resistance, not
> levels of light. It’s one of the things you need to remember when trying to
> recreate designs from the earlier era.
>
>
>
> Larry Wild,
>
> An old academic from South Dakota
>
>
>
> Bill Conner via Stagecraft <stagecraft at theatrical.net>
>
>
>
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-- 
/s/ Richard
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