A measuring device having a flexible tape resiliently coiled within a housing. After being transmitted across a transmission line, a representation of the original digital signal is recovered and provided to a destination device. Thermostats are provided in the cylinder block cooling water jacket and the cylinder head cooling water jacket, respectively. A spring is utilized within the housing to bias the business cards to a position adjacent to the exit slot for easy ejection therefrom. Each binary search is executed simultaneously in different banks of the plurality of memory banks.