![](https://coimages.sciencemuseumgroup.org.uk/74/294/medium_thumbnail_1990_0459__0002_.jpg)
Circular slide rule by Fowler and Co.
- Made:
- Manchester
Circular slide rule by Fowler and Co., Manchester, model RX, double faced, serial no. 7384, with descriptive leaflet in metal case
Circular slide rule by Fowler and Co., Manchester, model RX, double faced, serial no. 7384, with descriptive leaflet in metal case