It may interest me.
I am Dutch, although I live in Spain.
>From your name I conclude that you are Dutch too.
If or when you scan the article, I would be interested in a copy.
Thanks, Jos 

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Hendrik Boom
> Sent: 19 April 2011 21:30
> To: [email protected]
> Subject: Re: [racket] Query for Gregory Woodhouse
> 
snip
> 
> Somewhere I have a hand-written manuscript my father wrote in 
> the late 
> 40's in Dutch -- a course on two-dimensional analytic projective 
> geometry.  I believe somewhere in there he mentions using complex 
> numbers as coordinates and having imaginary points -- this in the 
> section on poles and polars.
> 
> He aimed it at those senior high-school students that were 
> streamed into 
> a mathematical/scientific direction -- it's at a rather higher level 
> than high schools here in Canada.
> 
> I don't think he does spinors at all.
> 
> Is this of any interest?
> 
> I've been planning to scan it and contribute it to the Dutch 
> wikibooks, 
> hoping to crowdsource the transcription into machine-readable format.
> If you're interested, it will gove me an incentive to hurry 
> this along a 
> bit.
> 
> -- hendrik
> 
snip

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