Keywords: BlkWalnut-x-section.jpg This is a cross section from a black walnut coffin board over 140 years old I photographed this as part of my thesis research on the tomb this coffin came out of It was taken with a 10x digital microscope Author Fred Sutherland Taken January 6 2006 en wikipedia 2006-04-05 ZenTrowel wikipedia en ZenTrowel original upload log page en wikipedia BlkWalnut-x-section jpg 2006-04-05 06 02 ZenTrowel 480×640×8 72163 bytes <nowiki>This is a cross section from a black walnut coffin board over 140 years old I photographed this as part of my thesis research on the tomb this coffin came out of It was taken with a 10x digital microscope </nowiki> Microscopic images of stems Juglans nigra Wood anatomy |