Road Materials Testing Sequence (1) | University of Illinois Archives
Composite image showing six sepia tone photographs of road materials testing at the Highway Laboratory: Placing sand cushion; form for sand cushion; brick in place on sand cushion; completed slab with loading rig in place; close view of broken slab; broken slab in testing machine with forms and brick removed.
Found in RS 11/1/10, Vol. 2
Composite image measures 23.5 x 18.4 cm