Gravity Escapement
0:27
Gravity Escapement
When considering what design of Escapement to use on one of my new clocks , the Arnfield design was obviously favourite because of its simplicity, I was only concerned the Gravity Arm may not get back to its rest position in time to stop the Escape wheel, which was being powered around by the drive train. This was a particular problem for me as ...
YouTubeBrian Law's Woodenclocks已浏览 2.1万 次2014年2月12日
Discovery Childrens Museum Tour
Discover the magic of "Holidays Around the World" at DISCOVERY! ❄️🎄🌎 Join us on a global journey to uncover the beautiful diversity of holiday celebrations with festive crafts. Don't miss this experience, available until December 29th! ☃️🎁 | DISCOVERY Children's Museum
0:23
Discover the magic of "Holidays Around the World" at DISCOVERY! ❄️🎄🌎 Join us on a global journey to uncover the beautiful diversity of holiday celebrations with festive crafts. Don't miss this experience, available until December 29th! ☃️🎁 | DISCOVERY Children's Museum
FacebookDISCOVERY Children's
已浏览 289 次2023年12月21日
Discovery Center Museum
1:20
Discovery Center Museum
FacebookDiscovery Center Museum
已浏览 3.1万 次2017年10月4日
Discovery Children’s Museum
0:31
Discovery Children’s Museum
FacebookDISCOVERY Children's
已浏览 2.7万 次2019年10月17日
热门视频
ROCK AROUND THE CLOCK
3:55
ROCK AROUND THE CLOCK
YouTubealsonvideo
已浏览 34.9万 次2008年4月15日
Taenia solium
0:59
Taenia solium
YouTubeSakkeer Hussain
已浏览 77.9万 次2009年6月21日
Science Max | GRAVITY | FUN EXPERIEMENTS | Experiments
11:47
Science Max | GRAVITY | FUN EXPERIEMENTS | Experiments
YouTubeScience Max - 9 Story
已浏览 17.3万 次2019年3月28日
Fun Activities for Kids
How to have fun with your kids 👧🏼 || positive parenting, activities & crafts
11:40
How to have fun with your kids 👧🏼 || positive parenting, activities & crafts
FacebookFoodGasmic
已浏览 73.2万 次2022年6月7日
巴黎奥运会期间奥林匹克博物馆举办儿童趣味活动
巴黎奥运会期间奥林匹克博物馆举办儿童趣味活动
olympics.com
5 个月之前
Fun Activities to Try out with Kids
1:14
Fun Activities to Try out with Kids
Microsoft NewsMetDaan
2023年9月13日
反馈