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252259 Gary Roberts <toolemera@m...> 2014‑12‑13 Re: Hays Improved Practical Mechanics Rule
That’s what’s great about Oldtools. There is usually someone who can decipher
whatever it is that needs deciphering.

Gary
...............................
Gary Roberts
http://toolemera.com
http://toolemerabooks.com

"I'ld rather read a good book, than write a poor one." Christopher Morley




> On Nov 2, 2014, at 8:29 PM, Bill Webber  wrote:
> 
> Geez, who thinks like that!  Wow, many thanks...
> 
> Bill W.
> Nottingham, PA
> 
> On 11/2/2014 12:38 PM, Kirk Eppler wrote:
>> 
>> On Sunday, November 2, 2014, Bill Webber mailto:ol2lrus@v...">mailto:ol2lrus@v...>> wrote:
>> 
>> 
>>    http://billwebb
er.galootcentral.com/side%203.JPG
>>    http://billwebb
er.galootcentral.com/side%203.JPG
>> 
>>    At first glance I thought the scale on the inside (Side 3 and 4
>>    above) was a metric scale, but obviously it is not.  This inside
>>    scale is linear and contains 112 divisions in 35 1/2 inches.
>> 
>> 
>> 112/35.5 = 3.14.....
>> 
>> 
>> Thus I suspect something for deciphering circumference based on diameter.
>> 
>> Kirk in HMB, CA, who really should be doing yard work, or garage cleanup, or
something more productive than attempting a nap

Recent Bios FAQ