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Re: [Rollei] Re: Why the 6-element lens for 3.5Fs

> > Richard Knoppow wrote:

> BTW, I am one of the few left who
> knows how to re-ribbon old RCA and Western Electric mics.
> Talk about your useless skills :-)
> ---
> Richard Knoppow
> Los Angeles, CA, USA

The list of formerly useful, now useless skills would be an interesting one to start compiling.

You could add to it:

1. Knowing how to use a slide rule.

2. Designing any digital circuit using discrete components.

3. Knowing how to design core memory.

Regarding many of the once-hot skills of the 20th century, well, you'd do better knowing how to shoe a horse.

G. King