![](https://coimages.sciencemuseumgroup.org.uk/208/481/large_thumbnail_cd0502_020_090210_1996_10_1377_ferranti_16c_connecting_jacks.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/208/481/large_thumbnail_cd0502_020_090210_1996_10_1377_ferranti_16c_connecting_jacks.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/535/155/large_thumbnail_smg00359660.jpg)
Wooden jack for use with wagons
![](https://coimages.sciencemuseumgroup.org.uk/724/872/large_thumbnail_smg00360484.jpg)
Jack by Hispano - Suiza
![](https://coimages.sciencemuseumgroup.org.uk/724/858/large_thumbnail_smg00360470.jpg)
Dump Door Jack
![](https://coimages.sciencemuseumgroup.org.uk/203/282/large_thumbnail_cd0629_027_100806_lcmc_t879_sylvester.jpg)
Sylvester, coal mining jacking device. C.1940
circa 1940
![](https://coimages.sciencemuseumgroup.org.uk/203/275/large_thumbnail_cd0628_034_100805_lcmc_t721_sylvester_part.jpg)
Sylvester part. C.1950
![](https://coimages.sciencemuseumgroup.org.uk/203/281/large_thumbnail_cd0629_026_100806_lcmc_t877_sylvester.jpg)
Sylvester, coal mining jacking device
circa 1940
![](https://coimages.sciencemuseumgroup.org.uk/330/906/large_thumbnail_smg00064124.jpg)
Cart jack
Bottle jack
Ratchet jack
Lancashire and Yorkshire Railway bell jack
Traversing lift jack
1839