> 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?
> 

Very reasonable assumption. Values in pound per inches would require 
uselessly large values with some not very significant trailing zeros.

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