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.

-- 

Regards
     Stephen

Post a reply to this message