I don't recall any examples earlier than the 19th century. I would not say they were common even then---you just used a striker! If I was looking for them I'd check Diderot's encyclopedia, there may have been a variation for file or chain making where it wasn't worth the extra cost of a striker.
Your historically correct equipment should include at least two helpers at the forge!
BTW what time periods do you do? I have a Y1K set up with a cube anvil and two single action bellows; the forge gets built from local clay as needed. My Renaissance forge has the T stake anvil; but I gave away my double lunged bellows when I moved and have to build a new one. Luckily a lot of the hammers and tongs are good from roman through modern times!
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Thomas
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