"Take a one-inch-wide ribbon, for instance. With each turn of the spool, the ribbon must move one...

3

Transcript of "Take a one-inch-wide ribbon, for instance. With each turn of the spool, the ribbon must move one...

Page 1: "Take a one-inch-wide ribbon, for instance. With each turn of the spool, the ribbon must move one inch across the spool surface. But what happens if the ribbon varies in
Page 2: "Take a one-inch-wide ribbon, for instance. With each turn of the spool, the ribbon must move one inch across the spool surface. But what happens if the ribbon varies in
Page 3: "Take a one-inch-wide ribbon, for instance. With each turn of the spool, the ribbon must move one inch across the spool surface. But what happens if the ribbon varies in