Other Scientific Instruments - Vintage Faber-Castell Slide Rule System Rietz Model no. 57/87 in plastic case with box (Made 1969) was sold for R250.00 on 25 Sep at 09:01 by pteradactyl1 in Johannesburg (ID:113573447)
![Faber Castell slide rule 1/98 Elektro prestigious schoolboys (and schoolgirls) calculation tool of the1950s Instructions & case Stock Photo - Alamy Faber Castell slide rule 1/98 Elektro prestigious schoolboys (and schoolgirls) calculation tool of the1950s Instructions & case Stock Photo - Alamy](https://c8.alamy.com/comp/HFJMG4/faber-castell-slide-rule-198-elektro-prestigious-schoolboys-and-schoolgirls-HFJMG4.jpg)
Faber Castell slide rule 1/98 Elektro prestigious schoolboys (and schoolgirls) calculation tool of the1950s Instructions & case Stock Photo - Alamy
![Faber-Castell Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 8 : Konshak, Michael Vaughn: Amazon.com.au: Books Faber-Castell Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 8 : Konshak, Michael Vaughn: Amazon.com.au: Books](https://m.media-amazon.com/images/I/71F+R2r9ToL._AC_UF350,350_QL50_.jpg)
Faber-Castell Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 8 : Konshak, Michael Vaughn: Amazon.com.au: Books
![Faber-Castell Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 8: Konshak, Michael Vaughn: 9798735766896: Books - Amazon.ca Faber-Castell Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 8: Konshak, Michael Vaughn: 9798735766896: Books - Amazon.ca](https://m.media-amazon.com/images/I/71-eXi+U3tL.jpg)