Be sure to use the Auto Adjust tool before using the Straighten Photo tool. Auto Adjust will guess how straight your photo should be and wipe out your carefully adjusted changes in the process.
This model is a representation of the Tom Thumb Locomotive, and early American locomotive built by Peter Cooper in 1830 to prove that a steam-powered locomotive could navigate the hills and twists of the Baltimore and Ohio Railroad. The model consists of an upright boiler, vertical engine, and geared drive. Location.
In his famous discussion of the panda's thumb, Stephen Jay Gould carefully explains how this thumb is not homologous to the human thumb. Although the two digits are used in much the same way (the panda's thumb is essential for stripping bamboo of its tasty leaves, the staple of the panda's diet), the panda's thumb developed from a bone in its wrist and is an addition to the five fingers of its paw.