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Grit size ranging from 2 mm (the large grain) (about F 10 using FEPA standards) to about 40 micrometres (about F 240 or P 360).
Grit size ranging from 2 mm (the large grain) (about F 10 using FEPA standards) to about 40 micrometres (about F 240 or P 360).
Diamond powder paste
Diamond powder paste
Assorted grinding wheels as examples of bonded abrasives.
Assorted grinding wheels as examples of bonded abrasives.
A grinding wheel with a reservoir to hold water as a lubricant and coolant.
A grinding wheel with a reservoir to hold water as a lubricant and coolant.
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A tarnished and unpolished silver bowl (left) and a polished silver piece (right). There is a visible difference in cleanliness and color. The piece h
A tarnished and unpolished silver bowl (left) and a polished silver piece (right). There is a visible difference in cleanliness and color. The piece held above the two bowls has also been polished. (These pieces are part of an 18th-century silver epergne in the collection of the Indianapolis Museum of Art).