Energy Ontario DriveSave Fuel Economy Calculator Slide Rule


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.

Date Made: 1982

Maker: Province of Ontario

Location: Currently not on view

Place Made: Canada: Ontarian

Subject: Mathematics, Rule, Calculating, Automobiles, Government

See more items in: Medicine and Science: Mathematics, Energy & Power, Science & Mathematics, Slide Rules


Exhibition Location:

Credit Line: Transfer from Division of Engineering and Industry

Data Source: National Museum of American History

Id Number: 1988.3078.04Nonaccession Number: 1988.3078Catalog Number: 1988.3078.04

Object Name: calculating ruleslide rule

Physical Description: paper (overall material)Measurements: overall: .2 cm x 17.9 cm x 8.5 cm; 1/16 in x 7 1/16 in x 3 3/8 in


Record Id: nmah_1214161

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