This sander was used to smooth wooden parts for wheels and wagons. It had a rough belt for preliminary work and a fine belt for finish work. It sure made sanding faster, but it must have created clouds of dust in the shop.
My guess is that a rope was tied between the two eyelets on each side, the rope could then be used to keep the work piece in place on the sanding belt.
1448. These springs were sold to be used as an optical illusion, as seen in the video on this site.
1449. An RTX Push Button Turkey Box Call, used by a hunter to call wild turkeys:
The upper part is rubbed across the lower piece of wood to make the call.
1450. A George Washington Door Stop, by Newton Mfg Co., Newton, Iowa, in use it was stood on its head with the wedge going under the door.
1451. Scissors for shredding paper:
1452. A Stanley auger bit stop, the placement of this device determines the depth of the hole that can be drilled with a brace:
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Last week's set is seen below, click here to view the entire post:
Black Ops Pro Tips
More discussion and comments on these photos can be found at the newsgroup rec.puzzles.