| The Kelvin | The 1906 Rowing Gig with the first marine Kelvin Engine |
| Kelvin II | |
| Dodo II | The Yacht designed by Mr. William Bergius |
| Progress | The boat fitted with the first commercially sold Kelvin Engine |
| Forty Four Years of Progress | |
| The Bergius Company Ltd. | An early history by Mr. George Bergius |
| Early History of the Bergius Car & Engine Co. | |
| The Golden Jubilee, 1954 | |
| Office and Factory Photographs | |
| Chronology | |
| Names, Addresses and Owners of the Bergius Company | |
| The Gearwheel K Logo | |
| Staff & Agents of the Bergius Launch & Engine Co. | |
| Some
Aspects of the Motorisation of the Scottish Inshore Fishing Fleet |
The Paper presented by Mr. George
Bergius in 1953 to the United Nations Food and Agriculture Organisation Congress |