> Roman Blacks diffraction grating was another scheme for them

Sounds a bit too much like science for me. I'll have a look into
it though, see if it could be made into entertainment for the lower
classes somehow

> But I would have thought that Jinx would have an enterprising
> business in his back yard doing a clay pigeon shoot with them,
> like my favourite TV advert

Oh, I'm not the dangerous gun nut out West. Tell'em Russell

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