All together, there are sixteen known iron oxides and oxyhydroxides.
Wikipedia is no source for pick-up lines, but give it a try. Better off grabbing a Bell’s Two Hearted IPA from the fridge and restoring a hand saw. Use the money saved by staying out of the pub to purchase a really nice, used saw vise.
It’s not quite so bad as it looks. This Sheffield Warranted 8 pt crosscut saw has potential. The rust has been enhanced in PhotoShop. There are 2 or 3 hours to be spent scraping and sanding the plate before sharpening the saw. There will be minor pitting, no big deal. This old saw will be back to work by the weekend.
Most importantly, the geometry is ideal for sharpening with a triangular file. This saw has never been sharpened, the teeth are uniform with no signs of damage. After a light jointing of the tops with a long file in a jig, the gullets help guide the direction of the file. By keeping each file stroke at a consistent angle, the file will clear that crud from the gullet and after a stroke or two, smooth the working edge of each tooth.
Put on some music and relax – this is easy.