2SC1815

Joined September 25th, 2018
2 Instructables 16,812 Views 17 Comments 7 Followers

日本の人ですよ I live in japan! 真空管を作る研究をしています... vacuum tube manufacturing researching is in progress...

2SC1815's Instructables

How to Make a Your Own Glass Pipette

Homemade Incandescent Light Bulb - 自作の白熱電球