Technology's past. Volume 2 : More heroes of invention and innovation
- Ann Arbor: Prakken Publications, 1999
- viii, 264 p.; ill.: 28 cm.
0911168966 (pbk)
Inventions -- United States -- History -- 19th century Inventions -- United States -- History -- 20th century Inventors -- United States -- History -- 19th century Inventors -- United States -- History -- 20th century