ronwer wrote:
Hi!

I am doing a study into the early use of silicon diodes in radar and
communication equipment during the Second World War.

What I would be interested in is as follows:

-type numbers of the diodes
-name/type number of radar/communication equipment
-technical infor on those systems
-info on producers
-pictures of actual diodes, also "in" the circuits
-anecdotal stories about the actual use
-anything else!

The information will be used for an on-going study project related to
practical application of minerals (i.e. quartz) in industry and technology.

So, since this is an aspect of a broader study, other quartz-related info
would
be most appreciated, especially about early use of piezoelectric
quartz crystals in electronic equipment.

If you'd prefer, answering off-list is possible:




Thanks for ANY help!


Probably you could start by finding information about this gear but
there would have to be someone on the team who can understand German:
http://www.100-jahre-radar.de/index....hnikim2wk.html

Many such sites have links to British and American gear but often also
in German. Another option are senior centers. A few of the EEs from
those days are still alive but there won't be much time left.

--
Regards, Joerg

http://www.analogconsultants.com/

"gmail" domain blocked because of excessive spam.
Use another domain or send PM.