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The two halves are then joined.

The abutting edges consolidated by filling in and then trimming.

 

 

 





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When the  clay has hardened one can simply lift the top off and then withdraw the whole lamp from the mould.

This is aided  by a slight shrinkage of the clay when it hardens.

 





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But I quickly saw that one still has a bit of trimming to so where the edges have united.

 






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As you can see this exercise has demonstrated that this particular top part is not actually for this bottom part.

The nozzle end of the top does not really fit with the nozzle end of this   bottom mould part.

 

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I saw from all this that if the top and bottom had indeed been matching then I wouldn't have needed to fill in and trim the abutting sides again when I joined the top to bottom.

 

I had one mould base TL tested even though it has root marks. The root marks appeared to be reasonably new, rather than ancient. You can still see some of the root fibre ; it has not all calcified yet.

 





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The TL test confirms authenticity.

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