The Blackberry is a handheld wireless Personal Data Assistant (PDA) and communication device.
History Explorer Results (1)
Related Books (0)
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/4/2008
The John Deere Model D tractor was introduced in 1923 and became the first tractor built, marketed, and named John Deere. It replaced the Waterloo Boy in the company's product line.
