Re: found what I believe are a few vrc drum pickup heads too bad photos don't post here interested parties,can email

[Ed Sharpe via cctalk]

not these heads.

Sent from AOL Mobile Mail

On Saturday, May 12, 2018 Chuck Guzis via cctalk  wrote:
My guess was MADRE or NRL:

https://www.wikiwand.com/en/Over-the-horizon_radar

The timing would be right. Acoustic delay lines served the same
purpose, but you couldn't have a mercury delay line in an airplane,
practically speaking.

--Chuck

Re: found what I believe are a few vrc drum pickup heads too bad photos don't post here interested parties,can email

[Chuck Guzis via cctalk]

My guess was MADRE or NRL:

https://www.wikiwand.com/en/Over-the-horizon_radar

The timing would be right.  Acoustic delay lines served the same
purpose, but you couldn't have a mercury delay line in an airplane,
practically speaking.

--Chuck

Re: found what I believe are a few vrc drum pickup heads too bad photos don't post here interested parties,can email

[Ed Sharpe via cctalk]

vrc get pro. control hpt

Sent from AOL Mobile Mail

On Saturday, May 12, 2018 Chuck Guzis via cctalk  wrote:
Head-per-track drums were used on airborne radar setups as a
non-computer use. John Meshna used to advertise military surplus ones,
complete with 400Hz spindle motor.

I was tempted at the time to get one, but was warned that the surplus
ones are rarely functional.

--Chuck

Re: found what I believe are a few vrc drum pickup heads too bad photos don't post here interested parties,can email

[Ed Sharpe via cctalk]

these probably get proc control vec drums

Sent from AOL Mobile Mail

On Saturday, May 12, 2018 Chuck Guzis via cctalk  wrote:
Head-per-track drums were used on airborne radar setups as a
non-computer use. John Meshna used to advertise military surplus ones,
complete with 400Hz spindle motor.

I was tempted at the time to get one, but was warned that the surplus
ones are rarely functional.

--Chuck

Re: found what I believe are a few vrc drum pickup heads too bad photos don't post here interested parties,can email

[Chuck Guzis via cctalk]

Head-per-track drums were used on airborne radar setups as a
non-computer use.  John Meshna used to advertise military surplus ones,
complete with 400Hz spindle motor.

I was tempted at the time to get one, but was warned that the surplus
ones are rarely functional.

--Chuck

found what I believe are a few vrc drum pickup heads too bad photos don't post here interested parties,can email

[Ed Sharpe via cctalk]

found what I believe are a few vrc drum pickup heads too bad photos don't post 
here interested parties,can email

Sent from AOL Mobile Mail

On Saturday, May 12, 2018 ben via cctalk <cctalk@classiccmp.org> wrote:
On 5/11/2018 5:11 AM, Peter Corlett via cctalk wrote:
> On Thu, May 10, 2018 at 01:53:12PM -0600, ben via cctalk wrote:
> [...]
>> Can not be slower than modern computers, It takes 5 minutes for my mail
>> program to load under windows and grab new mail.
> 
> And yet computer performance was perfectly acceptable before you started using
> Windows? The cause of your problems and thus the solution seems obvious.
> 
YES! Please send me a PDP-10 computer. PO BOX 1234567 CANADA.

found what I believe are a few vrc drum pickup heads too bad photos don't post here interested parties,can email

[Ed Sharpe via cctalk]

found what I believe are a few vrc drum pickup heads too bad photos don't post 
here interested parties,can email

Sent from AOL Mobile Mail

On Saturday, May 12, 2018 ben via cctalk <cctalk@classiccmp.org> wrote:
On 5/11/2018 5:11 AM, Peter Corlett via cctalk wrote:
> On Thu, May 10, 2018 at 01:53:12PM -0600, ben via cctalk wrote:
> [...]
>> Can not be slower than modern computers, It takes 5 minutes for my mail
>> program to load under windows and grab new mail.
> 
> And yet computer performance was perfectly acceptable before you started using
> Windows? The cause of your problems and thus the solution seems obvious.
> 
YES! Please send me a PDP-10 computer. PO BOX 1234567 CANADA.