Product Overview
These old, rare finds are made in the USA. Even though the original box they came in is a bit battered, the capacitors look fine and test out.
An excerpt from an old Mallory catalog:
"Ultra-reliable, high capacity aluminum electrolytic capacitors. Exclusive safety vent provides positive protection. Furnished with Mylart insulating sleeve.
Temp. Range: —20° C to +85° C. Tolerance: 0-150 WVDC, -10,+75%."