A German acoustic locator in 1939, used to manually detect aircraft through sound. One operator listens to the Y-axis phones, and the other the X-axis phones, allowing them to estimate the direction and elevation of the craft. [617x800]5yr ⋅ Sparky_404 ⋅ r/specializedtools
When you're showing your apprentice how to correctly use the 35mm bender4yr ⋅ Sparky_404 ⋅ r/electricians
This component of a Fire Suppression system, don't think the label is clear6yr ⋅ Sparky_404 ⋅ r/CrappyDesign
Didn't know Caution Tape was good for electrical box support, wonder how many lbs it's rated...5yr ⋅ Sparky_404 ⋅ r/OSHA
A heat generating appliance in a enclosed wooden cabinet, what could go wrong...4yr ⋅ Sparky_404 ⋅ r/electricians
