Hi Guys I have an mid-late C18th. Coin Scale. Its the shelf edge type with a sliding counterbalance. The beam is engraved with a scale:- 4.6 / 5.3 / 6.9 / 9.0 / 10.6 / 13.6 / 18 / 21 / 27 / & 36. I have assumed these are for grams. The 5.3 / 10.6 / probably for Portuguese ½ & 1 Moidore. The 6.9 / 13.6 / & 27 probably for Spanish Reales. The only coin I can find for the same period for 9.0 / 18 / & 36 is the Russian Ruble. But this seems too distant geographically? No idea about the 4.6?
What about Dutch or other nearer countries. Can't find and English coins to fit the weights? Many thanks Jim
If it's an 18th century (1700s) scale, then the units cannot be grams - grams were invented by the French revolutionaries in 1795.
I suspect the units are monetary, "shillings.pence", with the scale intended to weigh gold coins. If you have a genuine gold guinea, put it on the scale and see if it comes out at "21".
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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