[Representative specimens of sitka spruce at parallel compression]
![[Representative specimens of sitka spruce at parallel compression]](http://www.jewishmuseum.ca/sites/default/files/LF.40307.jpg)
Object id:
LF.40307 B&W photograph depicts five example pieces of wood showing compression parallel failures.
Original glass plate negative is missing a piece in one corner.
Date:
[19--]
Source:
Landauer, Barbara
Creator:
Unknown
Studio:
Leonard Frank Photos Studio
Rights:
JMABC 
