The top documents of dave-shafer
Travel photography advice
579 views
Ernestine Rose Powerpoint presentation
131 views
Freeform aspherics in telescope design
236 views
thoughts about old age
74 views
Unusual mirror systems
547 views
The John Henry lens design challenge
540 views
Photos around the home
655 views
Ancient secret codes and wordplay in the bible
3.840 views
The Shakespeare diet
1.041 views
Free Will Discussion
1.373 views
Lens in a box
455 views
Some unusual telescope designs
696 views