This complete apparatus has a 15cm adjustable scale. The adjustable scale helps to prevent parallax error. Scale is marked in millimeters and mounted on sturdy 30cm support rod and a wooden base. A hook supporting a coiled spring with a mass hanger and indicator is attached to rod.
Experimental notes included.
Eisco produces high-quality, trusted science education products and solutions to help students explore and discover science through hands-on experiences.
They produce more than 8,000 unique products for the science education and scientific research markets. Their core product lines include: Biology Models, Laboratory Glassware and Plasticware, Lab Equipment and Supplies, Physics Supplies and Apparatus, Rock and Mineral Specimens