Dennert
& Pape Eisenbeton |
Front |
![](front%20medium.jpg) |
Back |
![](back%20medium.jpg) |
Front without slide |
![](front%20open%20medium.jpg) |
Back of the slide |
![](slide%20back%20medium.jpg) |
Box |
![](box.jpg) |
|
|
Length |
27 cm |
Number of scales |
12 |
Country of origin |
Netherlands |
Country of manufacturing |
Germany |
Year of manufacturing |
1922 |
Status of the slide rule |
Normal signs of use |
Material of the slide rule |
Celluloid on wood |
Type of cursor |
Metal with glass |
Status of the box |
Normal signs of use |
Type of box |
Red carton |
Status of the manual |
None |
Collection number |
Sold again |
Further comments |
This is a very rare Eisenbeton slide
rule of Dennert & Pape. I have not been able to find this particular
type anywhere on the Internet. |
|