| Date | 2012-01-11 |
| Location | |
| Message | thanks for sharing the brillant design ![]() |
Private Message added 2011-11-01 |
| Date | 2011-10-24 |
| Location | |
| Message | I have a Monroe Calculator Model LX-160 approx. 1930. It is in working order. Can someone tell me what it is worth? |
| Date | 2011-09-27 |
| Location | |
| Message | Saw your video on YouTube for the CURTA Mechanical Calculator. Awesome! Totally Awesome! Thank you so much for putting it there! |
| Date | 2011-09-25 |
| Location | |
| Message | I have a Sundstrand adding machine from circa 1948. The handle is pulled down and it is jammed. Otherwise great shape. Is it worth anything? Does anybody know? |
Private Message added 2011-08-12 |
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