|
|
|
|
|
It looks like something is broken and posts do not make thru. I will fix.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
|
|
|
|
|
http://www.lenardaudio.com/main/051_opal_const.htmlregardshorny...
|
|
http://www.lenardaudio.com/main/051_opal_const.htmlregardshorny...
|
|
The Valve Technology Milestone Timeline Courtesy to the National Valve Museum
1640
The first vacuum. Otto von Guericke's air pump
1643
The barometer first demonstrated by Evangelista Torricelli
1654
Magdeberg Hemispheres a d...
|
|
|
|
|
All context of this site except the Forum's posts
Copyright © Roman Bessnow 2004-2025
All messages within the Site’s Forum Copyright © by
authors of the posts
|
|
Last 24-hours posts: |
0 |
|
 |
|
|
Total human visitors: |
46,542,846 |
|
|
|
|
|
|