My maternal Grandma was amazed how I always managed to pick the one nut and one bolt that fitted together from out of the many out on the table at any one time (no I never let on, it would have complicated things!
Sounds funny now but this was back in the 60s. During my Grandma`s previous years things were not as precision made and anyone trying to fit identical pairs together would indeed pick a few to find best fit for ease.
Hardly! Whitworth standardized his thread in the middle of the 19th century. ?
My maternal Grandma was amazed how I always managed to pick the one nut and one bolt that fitted together from out of the many out on the table at any one time (no I never let on, it would have complicated things!
Sounds funny now but this was back in the 60s. During my Grandma`s previous years things were not as precision made and anyone trying to fit identical pairs together would indeed pick a few to find best fit for ease.
Hardly! Whitworth standardized his thread in the middle of the 19th century. ?
