The problem was that the lever arm was too short ... Let’s take a closer look at these super useful, and sometimes hidden mechanisms known as levers. Technically speaking, levers predate ...

Do you know what a mechanism is? It's a system of moving parts that work together to make something happen and we're looking at lever mechanisms. Ezra: You can find levers all around you.

The lever-action rifle is something of an anomaly when ... t nearly as robust as a bolt-action rifle. Further, the feed mechanism was prone to fouling and jamming when dirt and debris entered ...