NER10 X-Ray generator
l.i.papadopol
I’ve bough from eBay a NER10 X-Ray generator tube. It was build in 1925-1930 I don’t know exactly when. It’s interesting to see how well made it is also, It’s…
Marzo 2018
PRT-E750W & PRT-E1500W vfd settings
How to set correctly the PRT-E750W and PRT-E1500W (are equals except for the power capability) VFD supplied with CNC 3020 and CNC 6040 chinese routers. Click to download: PRT-E1500W vfd…
Radioactive sources
This is my actual collection of radioactive sources. Thorium Kodak lens Kodak had made some 35mm analog film models of cameras (1950-1970) like Retina IIIc, with thoriated lens. This example…