[CW] AUTO-DOT Semiautomatic key

[Radio KH6O]

What's the date of this ad? Landline era or wireless? Before or after the
Vibroplex? Possible patent violation?

73,
Jeff KH6O


On Sat, Dec 27, 2025 at 8:28 AM D.J.J. Ring, Jr. <djringjr at gmail.com> wrote:

> An interesting semiautomatic key.
>
> AUTO-DOT
>
> The Transmitter You Will Eventually Buy
>
> The Premier Automatic Dot-Making Key BOLD CLAIM
>
> But to operate one and to "receive" from one is to be convinced that it is
> the only one
>
> $10.75 COMPLETE WITH CARRYING CASE
>
> DOUBLE LINE CONTACT
>
> ELIMINATION OF SPLIT DOTS
>
> WIDER AND CLEANER BREAK
>
> LONGER DURATION OF CONTACT
>
> HEAVIER DOTS TRANSMITTED
>
> DOTS NATURAL. LIKE HAND SENDING
>
> MUST MAKE A DOT OR NOTHING
>
> MAXIMUM SPEED LIMITED TO COMMERCIAL USAGE
>
> IT IS NOT THE CHEAPEST, BUT IT IS THE LEAST EXPENSIVE BECAUSE IT IS THE
> BEST
>
> If you don't believe us, just take advantage of our trial offer by sending
> $10.75 for complete machine with carrying case. If, after five days' trial,
> it is not all we claim for it, return it to us and you will get your money
> back. Remember that you are only depositing with us the price of the
> machine. We are taking all the risk. If you still believe in the Morse Key
> method, our booklet will convert you. Your name on a postal will bring it
>
> WRITE TODAY-NOW-THIS MINUTE.
>
> DELANY TELEGRAPHIC TRANSMITTER COMPANY GEO. W. CONKLING, Gen. Manager
> 20 Broad Street New York
>
> Chicago Office: 263 La Salle Street
>
> W. F. McDonald & Company General Agents
>
>
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> =30=
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