Some people use the Ferguson System Spanner to dip the fuel level in a tractors’ fuel tank, but this was never its intended use by Harry Ferguson. Like so much developed by Harry Ferguson, the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Toby Walters is a financial writer, investor ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...