ha, my went away just the same.... can't remember to whom - brain  
short circuit...
jk
On Dec 19, 2019, at 8:39 AM, David Hillman wrote:

> Hi Nigel - the ISBN I listed is the first edition of George's book.  
> I know
> there was a second edition that included additional data so go  
> looking for
> that one. I thought I had it in my references but I may have loaned  
> the
> book to someone!
>
> Dave
>
> On Thu, Dec 19, 2019 at 7:34 AM Nigel Burtt <[log in to unmask]>  
> wrote:
>
>> Yes, Joyce made the same suggestion and I've already made a note  
>> to check
>> our Technical Library for a copy of this, or ask corporate Santa  
>> to bring
>> one.
>>
>> Season's Greetings All
>>
>> Nigel
>>
>>