Search results
Results from the WOW.Com Content Network
In 1979, Galion added the first three articulated graders to its line. The mid-sized A-550, with a 29,100 pound operating weight, is shown here. These graders were of completely new design, with a distinctive sloping engine hood. Other models of the same design were introduced until all Galion's rigid-frame machines were replaced by the mid-1980s.
These early graders were created by adding the grader blade as an attachment to a generalist tractor unit. After purchasing the company in 1928, Caterpillar went on to truly integrate the tractor and grader into one design—at the same time replacing crawler tracks with wheels to yield the first rubber-tire self-propelled grader, the ...
Adams Leaning Wheel grader no.21, outside the original offices the Nungarin roadboard 1910 company catalog, image of Road King No. 12. J.D. Adams & Company was founded in 1885 by Joseph D Adams who invented the first leaning-wheel pull grader and was based in Indianapolis.
In 1642 the Massachusetts Bay Colony made "proper" education compulsory; other New England colonies followed this example. Similar statutes were adopted in other colonies in the 1640s and 1650s. [14] In the 18th century, "common schools" were established; students of all ages were under the control of one teacher in one room.
Private colleges were found to be much more expensive for low- and moderate-income attendees. At No. 44 USC, the four-year net price was about $62,000; at No. 59 Pepperdine it was about $131,000 ...
Kyles believed that first graders were not tainted and therefore were better suited to integrate the schools. [1] The story of the Memphis 13 has been made into a documentary by Professor Daniel Kiel, a professor at the University of Memphis Cecil C. Humphreys School of Law. The documentary is 35 minutes and consists of interviews with the 13 ...
The 2025 Grammy Awards on Feb. 2 proved to be an evening filled with giving back to the Los Angeles community, and this was perhaps made no clearer than during the moments in between the actual ...
Ancient stone tools from Ethiopia were hand-crafted by Australopithecus or related people. [1] [2] [further explanation needed] 2.3 Mya: Earliest likely control of fire and cooking, by Homo habilis [3] [4] [5] 1.76 Mya: Advanced stone tools in Kenya by Homo erectus [6] [7] 1.75 Mya – 150 kya: Varying estimates for the origin of language [8] [9]