2 vintage mine helmets. Face one that looks like welding mask. has original label inside M S A skull guard.on the side of the face mask it reads mine safety appliances company Pittsburgh PA.on the sides word holds the mask on it reads US Patent 275811.
The workhorse 300S is a stick welder and lift-arc TIG welder. It is made up of fiberglass case for rugged environment. This machine has a 10-400 Amps that provides the maximum power in an 80 lbs unit.
SMD 3in1 rework station Yihua 853D(Stazione Saldante) with Power Supply 0-15V 1A Main function: 1). The product uses double-sided fiberglass circuit board material, the components installation processes are performed orderly to ensure the clarity of electric signal flow.
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