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No - Simon went by himself. Sometimes he had them posted to him. It was well before Adrsprach's time.

Regards,
Neil

I expect they were, at one time.

These days they are comparatively rare - you find the odd single stone:

170920

170921

but more usually find them in combos such as this one:

Kenneth Montgomerie was the elderly owner of the Tam O'Shanter Honeworks. The mine was not a working mine, hadn't been for years, but it did have a stockpile of assoted hones, tams, WoAs,...

Jimmy,

I can understand how this might have come about when a mine is actually depleted, for instance when the seam of whetstone is getting so thin it is not viable to get it out. However, there...

Whether it was mined 'old' or 'new', if it is a genuine novaculite than both are around 350 million years old!

There are some that aren't genuine novculites, but they do not belong in this...

...pineberries...

But it is not designed for that purpose, so you would be a bit foolish to use it in that way.

Dave's post on the previous page sums it quite succinctly, it is to highlight differences within the...

I knew there was a point! Just like the moral of your story, I have been ?@2$*! for a very long time indeed.

Regards,
Neil

Ah, but then there are watchmakers and there are watchmakers, Jimmy!

My dads friend took a watch into a jewellers near where they were working. It had a fault and wouldn't wind.

My dads friend...

Each mineral has its own density. That density does not vary according to the size of the sample. S. G. is just another way of identifying, grading and showing the difference between different...

You want to have a look at Dans Whetstone Site

The Specific Gravity range is set by the US Government, who assign soft and hard values.

They (and Dan, a trained geologist) ought to know what...

I am pretty sure there is - just not as accurate, though. Mind you, if you aren't correcting for elevation and buoyancy of the water, then the accuracy does not matter that much.

I haven't done...