Biology Elementary Microscopes Physics Teacher Developed Labware View More Cool Science Custom Kits Earth Science Ecology and Environment Forensics Grant Match Homeschooling Instructional Technology Labware and Furniture Math Professional Development Scholar Chemistry

Product Information

This precision-crafted timing device is ideal for counting seconds or fractions of seconds. Its range is from 40 to 208 beats per minute depending on the pendulum setting. It operates from a spring wound clock mechanism and is attractively housed in a molded case. The case is 23 cm high.



Tell a Friend about this item

Customers Ratings and Reviews