![](https://coimages.sciencemuseumgroup.org.uk/74/294/medium_thumbnail_1990_0459__0002_.jpg)
McFarlane calculating cylinder, c.1835.
- Made:
- circa 1835 in Glasgow
![McFarlane calculating cylinder, c.1835. (ready reckoners)](https://coimages.sciencemuseumgroup.org.uk/221/510/small_thumbnail_1970_0172__0001_.jpg)
![McFarlane Calculating Cylinder, c.1835. Glasgow, Scotland](https://coimages.sciencemuseumgroup.org.uk/38/763/small_thumbnail_1970_0172__0001_.jpg)
McFarlane calculating cylinder, c1835. This is a ready reckoner inscribed with tables giving various percentages of various sums of money in sterling.
Details
- Category:
- Mathematics
- Object Number:
- 1970-172
- Materials:
- wood (unidentified), brass (copper, zinc alloy) and metal (unknown)
- Measurements:
-
overall: 140 mm x 50 mm, diameter 0.23 kg
- type:
- ready reckoners
- credit:
- Mr H. Ferguson