Screwdriver With Spider Gears
![screwdriver-with-spider-gears screwdriver with spider gears](https://www.innovation-creativity.com/wp-content/uploads/2021/01/screwdriver-with-spider-gears.jpg)
A screwdriver with spider gears in the handle would enable you to cut the turn ratio in half and give you a lot more power for those difficult to budge, heavy screws.
By Charles E. Tuma, Lombard, Ill.
June 1962
These days you would probably be best just purchasing a cordless, electric screwdriver such as the following from Amazon…