![Ben Franklin may have discovered electricity – but it is the man who invented the meter who made the money. | Old Salt Books Blog Ben Franklin may have discovered electricity – but it is the man who invented the meter who made the money. | Old Salt Books Blog](https://oldsaltbooks.files.wordpress.com/2014/04/weightman001.jpg)
Ben Franklin may have discovered electricity – but it is the man who invented the meter who made the money. | Old Salt Books Blog
![Carl Friedrich Richard Foerster (1825–1902) – the inventor of perimeter and photometer - Grzybowski - 2015 - Acta Ophthalmologica - Wiley Online Library Carl Friedrich Richard Foerster (1825–1902) – the inventor of perimeter and photometer - Grzybowski - 2015 - Acta Ophthalmologica - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/149bd1c8-ab9e-42ad-ad43-3ee26177e4e9/aos12713-fig-0001-m.jpg)
Carl Friedrich Richard Foerster (1825–1902) – the inventor of perimeter and photometer - Grzybowski - 2015 - Acta Ophthalmologica - Wiley Online Library
![The first parking meter is installed in 1935 in Oklahoma City. Invented by Carl Magee, the charges were around a nickle for 15 minutes. : r/okc The first parking meter is installed in 1935 in Oklahoma City. Invented by Carl Magee, the charges were around a nickle for 15 minutes. : r/okc](https://preview.redd.it/746wo84rvub91.png?width=360&format=png&auto=webp&s=6c533475b6d22b11c763c499e36fcc1222c96a74)