Intro to Shadowgraph and Schlieren Imaging

original-schlieren-sh#0001 original-schlieren-sh#0002 original-schlieren-sh#0003 original-schlieren-sh#0004 original-schlieren-sh#0005 original-schlieren-sh#0006
original-schlieren-sh#0007 original-schlieren-sh#0008 original-schlieren-sh#0009 original-schlieren-sh#0010 original-schlieren-sh#0011 original-schlieren-sh#0012
original-schlieren-sh#0013 original-schlieren-sh#0014 original-schlieren-sh#0015 original-schlieren-sh#0016 original-schlieren-sh#0017 original-schlieren-sh#0018
original-schlieren-sh#0019 original-schlieren-sh#0020 original-schlieren-sh#0021 original-schlieren-sh#0022 original-schlieren-sh#0023 original-schlieren-sh#0024
original-schlieren-sh#0025 original-schlieren-sh#0026 original-schlieren-sh#0027 original-schlieren-sh#0028 original-schlieren-sh#0029