Introduces children to inches, explaining how inches are used to measure the length of certain things, describing different things that are an inch long, and encouraging children to learn more by measuring things they commonly use.
Introduces children to feet, explaining how feet are used to measure the length of certain things, describing different things that are a foot long, and encouraging children to learn more by measuring things they commonly use.
Measurement, emperors and revolutionaries, scientists and founding fathers try and fail to impose orderly standards, yet in their own ways contribute to the realization of the dream of a single, worldwide system of measurement.