I found these in a old Victorian house garage, sitting on top of a old belt driven buzz saw. What xxx xxxx are they?

Teeth from an old plow or other ground-breaking tool.  They wear quickly so were designed to be replaced quickly.

Sickle mower part that the serrated triangle shaped teeth ride in.  Wish I could remember the name but that was 30 years ago and I've slept since then.

They look a lot like oversized "teeth" off a sickle bar mower. My guess is either off a haybine, sickle bar or some other piece of equipment designed to cut or mow standing crops.

 

 

Now I'm going to try my hand at plasma cutting my last name into this old buzz saw blade. We will see how it goes. It doesn't look like there's a big demand for these old death machines so why not salvage the blade.

round these parts most old large sawblades are "salvaged" into knives

round these parts most old large sawblades are "salvaged" into knives

Yes they are. Not doing much right now, so a wall piece it will be. 

One of the items is a dollar bill  :P

I know a few guys who collect old belt driven tools that would love that saw of death to add to their collection. I love walking up and looking at the old belt driven tools they bring out to the Grange Fair every year and hook up to the old hit and miss engines. One guy used to bring a small steam unit, but I haven't seen him in the past 2 or 3 years. I'm afraid he passed and his collection either got scrapped or sold off in pieces.

Actually as stated they are sickle bar teeth and are still available at Tractor Supply Company and probably other farm equipment companies.

round these parts most old large sawblades are "salvaged" into knives

 

a buddy of mine down the road has one about 6 ft in diameter , keeps telling me to come take it !!  that make a few blade for sure !!

Yes, those are "Rock Guards" from a Sickle Bar, ... commonly found on Mowing Machines, and on Combines.

 

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Those old belt driven "Tractor Saws" are still a VERY effective way to cross-cut firewood into "Stove Lengths".

 

They are easily adapted to use with a small gas engine, ( at least 10 hp ) mounted under, or behind the arbor.

 

 

If you're determined to cut it up, ... drilling small, strategically placed starter holes, makes it much easier to get clean cuts with the Plasma Torch.

 

 

 

 

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Yes, sickle guards!

Guards for a sickle bar mower.  They will be mallable and bend a bit.  We can still buy sickle sections locally but most under 40 don't know what they are ( Krone and the rest of the rotary mowers replaced sickles).  Guards can be used for bottom tools to punch rivets of various kinds out of other things etc.  I have grown up with them and they come in singles, doubles and ends.  they come in various manufacturers and sometimes sizes ( depending on the mower ).   Attached is a link to a picture of a Ford mounted mower:

 

http://www.ebay.com/itm/Ford-Series-515-Sickle-Bar-Mower-/231127010792

grew up on a farm, and those are from a swather for grain farming. they may be forged, but have also seen cast iron. they direct the wheat stalks/what have you to the serrated triangle shaped cutters, as stated above somewhere. they look cool, if forged they can be used as is for a bick or something, post apocalyptic war hammer maybe. if cast, collect a ton and get your hundred bucks….

Make nice bird heads in found art sculpture

While I am not THAT old (early 50's), we used a 36-inch diameter saw blade connected to the belt pulley on a '48 Farmall (guess who still has that tractor!) to cut firewood into pieces as late as 1982. Dad still heats with wood, but just uses his big 4-wheel drive tractor to drag the whole tree trunk (and limbs) to the woodshed and cuts it up there. He's a young 82, but feeds his wood fired boiler twice a day in the winter, and only once a day in the summer (he uses it to preheat the water in the hot water heater).

I do have a couple of knives made from a busted sawblade that take a good edge.