Free Public domain clipart for all your serious research needs
3/3
[ stop the slideshow ]

Old Eprouvette Pendulum

Old Eprouvette Pendulum.jpg Powder MillThumbnailsPowder MillThumbnails

The only real use of these eprouvettes is to check and verify the uniformity of a current manufacture of powder, where a certain course of operations is intended to be regularly pursued, and where the strength, tested by means of any instrument, should therefore be uniform.