American Heritage of Invention and Technology is a quarterly magazine dedicated to the history of technological progress. It is a spinoff of American Heritage magazine. It started in the summer of 1985 and printed three issues a year until 1992 when it became quarterly. American Heritage is a magazine dedicated to the history of the United States. ... This article is about the year. ... 1992 (MCMXCII) was a leap year starting on Wednesday. ...

External link

• Official site