![](https://coimages.sciencemuseumgroup.org.uk/309/783/large_thumbnail_smg00107713.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/309/783/large_thumbnail_smg00107713.jpg)
Babbitt bearing step for locomotive axle
1839
Gyroscope with accessories for experiments.
1880 or before
Example of Spray and Novett's patented salinometer used to register the salinity of water in a boiler
1849-1858
Shafting hanger 12" drop
circa 1860