| Giver | Post | Date |
| Vesper2018 | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 15-Feb-2022 |
| S1905 | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 23-Oct-2021 |
| saichandrateja | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 15-Dec-2020 |
| shahul. | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 20-Oct-2020 |
| Will2020 | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 29-Jul-2020 |
| Shamsul Hoque Khan | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 07-Jul-2020 |
| Kartikay22 | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 29-May-2020 |
| Unknown_ | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 30-Oct-2019 |
| anupjha6 | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 27-Jun-2018 |
| articuno | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 19-Jan-2018 |
| ALOHA_99 | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 27-Oct-2017 |
| ttdontcry | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 20-Oct-2017 |
| kshitij ghildiyal | Re: The westinghouse air brake, first demonstrated successfully in 1868 | 20-Jul-2016 |
