Slide RulesIndex by Makers & Retailers
Hundreds of companies around the world were involved in the production of slide rules from the 18th to the 20th centuries. Click on one of the names below to see the objects in this collection that were associated with that firm.
"Slide Rules - Index by Makers & Retailers" showing 1 items.
- In 1982 the government of the Canadian province of Ontario prepared this silver and orange paper linear slide rule for motorists. The front cover is marked: Energy (/) Ontario. It is also marked: fuel (/) economy (/) calculator. It is also marked: DriveSave (/) Improving the Fuel Economy (/) of Automobiles in Ontario. Inside are instructions for tracking distances driven and fuel purchases on a provided "fuel economy log" and for calculating miles per gallon or liters per 100 kilometers with the provided slide rule.
- The back cover contains driving and maintenance tips for improving fuel economy. It is marked: Ontario. It is also marked: Ministry of (/) Transportation and (/) Communications (/) Hon. James W. Snow (/) Minister. It is also marked: Ministry (/) of (/) Energy (/) Hon. Robert Welch (/) Minister. DriveSave was located in the Ministry of Transportation offices in Downsview, Ontario. Snow served from 1975 to 1984, and Welch served from 1979 to 1983.
- Currently not on view
- date made
- Province of Ontario
- ID Number
- nonaccession number
- catalog number
- Data Source
- National Museum of American History, Kenneth E. Behring Center