Learning Curve Effect in Various Industries and Products

Ford Model T        1909 -23      0.29        87%
Integrated Circuits  1962-68       0.047      67%
Photovoltaic Cells   1971-2000  0.042      72%




Lean Manufacturing
By Wikipedians
PediaPress
page 144
http://books.google.co.in/books?id=n0qKUzfYbyUC