Tonnage reduction with temperature falling

[NW Mailing List]

On 12/16/2018 10:01 PM, NW Mailing List via NW-Mailing-List wrote:
> I was under the impression that the reason the tonnage went down with 
> temperature was thermodynamics of water evaporation to get the needed 
> pressures of steam. The point about oil and grease viscosity makes 
> good sense as well.
>
> Mike Shockley

Not so, Mike. The following chart is from Shenandoah Div. ETT #5 
effective Sunday, May 20, 1973.

Jimmy Lisle

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://pairlist6.pair.net/pipermail/nw-mailing-list/attachments/20181217/a7090816/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: N&W ETT 5_20181217.jpg
Type: image/jpeg
Size: 881074 bytes
Desc: not available
URL: <https://pairlist6.pair.net/pipermail/nw-mailing-list/attachments/20181217/a7090816/attachment-0001.jpg>