If we're going to be really nitpicky, nitrogen was used even as early as 1887 though mixed with impurities.;-)

BenT
sent from my electro-pneumatic leash

On Mar 10, 2012, at 5:56 PM, Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM> wrote:

> if we are being picky ..
> it's not 'by pressure' ..
> it's by volume I believe.
> 
> OK....where was nitrogen in tires first used, and by whom. ?
> or at least a good early example.
> 
> 
> 
> On 3/10/2012 4:05 PM, Dave Mcneely wrote:
>> ---- Craig Cowan<phishman068@GMAIL.COM>  wrote:
>>> The partial pressure of nitrogen in the atmosphere is 70+ %. You aren't diluting much if you have to add a few psi.
>> Actually, it is 79+%
>> 
>>> -craig
>>> 
>>> On Mar 10, 2012, at 5:07 PM, george jannini<georgejoann@GMAIL.COM>  wrote:
>>> 
>>>>   Hell why not helium for lower rolling resistance?  Or hydrogen, even
>>>> lighter.  This is my Vanagon, I've named it Hindenberg...
>>>> 
>>>> George/ATL
>> --
>> David McNeely
>>