The best modern engines show, by the indicator cards, between 60 and 90 per cent of the theoretical effect of the steam ; in all cases the figures vary in proportion as care is exercised'in ...

Steam engines haven't been the primary method of travel for decades, but the technology and its modern applications continue ...

Model steam engines have intrigued hackers and makers for over 100 years. Many of us have seen old steam engine models up for sale at garage sales and various internet auction sites. The problem ...