Hewlett Packard HP 419A DC Null Meter Original vs. Restored Review

These HP 419A DC Null voltmeters are capable of readings below three microvolts (3 μv) in both original (first 19 mins) and obsessively restored condition (last 18+ mins). Even by today’s standards, these meters are useful and continue to remain popular as a result. In the world of vintage test equipment, these are one of the best models HP ever made back in the 1960s and 70s.

[@yenaurapourtoulmonde]

You're writing about a restoration, but could you show sth about it?

[@chrisw.3077]

A comment! Yes, of course. I’ll make that video and let you know when it is up.