Jørn Nielsen has developed several controls with digital reading of sensors, which can read the temperature of a solar collector as well as the liquid content of the temperature of the tank both at the bottom and at the top.
During a 10-year period when Jørn lived in the Philippines, in 2006 he helped develop a 2 volt solar panel of approximately 30 watts.
Hvorfor denne bog?
Denne bog er ikke en udtømmende biografi. Tyngden er først og fremmest mine egne, stærke erindringsbilleder af en unik morfar. Bogen beretter om både en visionær forretningsmand, selvstændig som 24-årig, og en nidkær lægprædikant, der stod "for Guds åsyn" (2....
Más información