Little Boy testing equipment.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...uke_tester.jpg
Previously:
https://www.homemadetools.net/forum/...893#post164065
https://www.homemadetools.net/forum/...356#post154468
https://www.homemadetools.net/forum/...969#post133864
https://www.homemadetools.net/forum/...630#post162973
https://www.homemadetools.net/forum/...425#post150926
