On 7-3-2018 22:44, Stephen wrote:
> On 07/03/2018 21:00, Alain wrote:

>>
>>> BTW has anyone heard or seen a ruler where feet are divided into tenths?
>>> Giving the impression that there are 10 "X inches" to a foot.
>>> I saw one once about 30 years ago.
>>>
>>>
>>
>> Not feet into tenth, but with inches divided into 1/5, 1/10, 1/3, 1/6, 
>> 1/9 and 1/12.
>> I've seen one with foot divided into 1/3 and 1/4.
> 
> I think it might be industry specific rule.
> About 30 years ago. My boss, offshore, took some measurements in the 
> toolpusher's office using a rule he found there. After getting whatever 
> it was made. It did not fit. He got a bit of a slagging for it. As you 
> would. ;-)
> He went back up to check only to find that there was 10 "inches" to the 
> foot.
> Drillers use some strange terms. The anchor chain tension is measured in 
> Kilo-pound-inches. I had never heard of that measurement before I had to 
> calibrate the load sensors.
> 

Interesting story. "kilo-pound-inches", could that mean 'thousand pounds 
per inch'? the word kilo being used for the thousand's value?

-- 
Thomas

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