tailieunhanh - Handbook of Micro and Nano Tribology

Records show the use of wheels from 3500 BC, which illustrates our ancestors’ concern with reducing friction in translationary motion. The transportation of large stone building blocks and monuments required the know-how of frictional devices and lubricants, such as water-lubricated sleds. Figure illustrates the use of a sledge to transport a heavy statue by Egyptians circa 1880 BC. | Handbook of Micro and Nano Tribology Bhushan B. Introduction - Measurement Techniques and Applications Handbook of Micro Nanotribology. Ed. Bharat Bhushan Boca Raton CRC Press LLC 1999 Part I Basic Studies 1999 by CRC Press .