Show I TEST ROAD MATERIALS FREE Machinery for New Laboratory In Installed Installed In In- stalled at Colorado Agricultural College B By O. O V V. ADAMS DAl Colorado Agricultural College Fort Collins Colo Cob The experiment station of the Colorado Colorado Col Col- orado Agricultural college at Fort Collins Collins Col Col- lins has has just completed the Installation Installation Installation tion of the machinery for tor a new laboratory laboratory labor labor- atory for the testing of road materials and Is now fully equipped to make all the standard mechanical tests on rock broken stone slag gravel sand and top soil sofIe The laboratory has pas been Installed for fey the purpose of aiding the people ot of the state In Ia their road building problems No charge is made for the testing of any material the sample must hot hoi ever be of sufficient size to enable complete Investigations to be made The systematic attempts to determine determine determIne de de- de- de termine the value value- of rock for road building purposes by means of Inborn labora tory tests were m made de In France In 1878 2 Z I Stretch of Improved Road Between Cripple Creek and Canon City Colo Cob and the excellence of the French roads can no doubt be partly attributed to the selection of the best available materials materials ma ma- for their construction In 1893 a road material testing laboratory laboratory laboratory lab lab- lab lab- oratory was established by the I assa- assa highway commission with the late Logan W. W Page In charge This work has developed until today there are many such laboratories throughout through through- out the United States and road engineers engineers engineers' engineers engineers' en en- are m more re and more more coming to realize the value of ot such tests and and to specify that material used in road construction con con- on shall measure up to certain est established standard requirements |