Automatically sets itself. Accuracy: 1/10,000 of a second. Controlling radio signal from NIST automatically adjusts clock for daylight savings time, leap year, and leap seconds. Highly visible bright second sweep hand. With NIST Traceable*. 30.5dia.x3.8Dcm.
Atoms and Chemical Bonding Curriculum Learning Module provides Complete set of digital and hands-on resources, includes: Flip Chart Set; Student Learning Guide; Vocabulary Card Set; Curriculum Mastery Game; Interactive Multimedia Lesson; and Hands-On Atoms Lab.