(Based on 44(e)) Measuring instruments and checking apparatus for use exclusively for sporting purposes other than scales, namely, barometers, revolution counters, frequency meters, altimeters, surveyor's leveling staffs, pedometers, tachometers, thermometers not for medical use, and anemometers; sporting goods in the nature of ergometers not for medical use; diving suits and diving gloves; sports safety helmets; sports spectacles, sunglasses and spectacle cases