Cast iron rods found under floorboards of home built in 1853. What are they used for?

A questioner stated:

Solid iron rods discovered less than floorboards of property developed in 1853. What are they employed for?

Owner stated: 

Only detail giving me pause for them being paddles for a mortar mixer or the like, is their size. They’d have to have to be spun up by some form of motor, not by hand I’d assume as most craftsman at the time would be employing to combine mortar. And even if utilised in the previous 100 years of the houses brick patch fix, that would be a significant equipment for a smaller sized part of foundation. And though this home was contemporarily really highly-priced, I really don’t see them bringing in that size of machinery for that style of operate.

Some of the people thoughts on it:

americathon mentioned:

They are possibly Forged Iron Shaker Rocker Grates for a coal stove or furnace.

Forged Iron Shaker Rocker grates are a specialized sort of grate developed for use in coal stoves and furnaces. Unlike regular fastened grates, these grates aspect a rocking or shaking mechanism that lets you to effortlessly manage the coal mattress and clear away ash buildup.

The cast iron design gives outstanding sturdiness and heat resistance, guaranteeing very long-long lasting effectiveness in the demanding atmosphere of a coal-fired appliance. The rocking or shaking motion facilitates the even distribution of air by the coal, ensuing in additional full combustion and improved heating effectiveness.

Uniqueacadia stated:

r/whatisthisthing - Cast iron rods found under floorboards of home built in 1853.

Definitely shaker grates. Burning coal final results in ash and “clinker” (glassified rock and sand that was in with the coal). That waste materials should be shaken out of the fire box periodically mainly because it will grow to be insulating, so you never get the complete reward of the burning coal. The wouldn’t have rotated all the way, they would have just been rocked (shaken) back and forth. The gears were possible because they experienced 1 manage to shake them both equally alongside one another.

What do you think it is? Please allow me know.

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