US$ 15.17
sized for fine-print reading and convex-lens image-formation work in introductory optics
long-nose pliers
Long-focal double-convex glass lens at 75mm diameter and 250mm focal length
pink-dotted at one end of each magnet to flag the matching pole and supplied with steel keepers between lessons
and flask necks from 8 to 30 mm in diameter
Forensic Drug Testing Simulated Immunoassay Kit for 15 Groups Build to Order sized for fine-print reading andSimulated immunoassay drug testing kit teaches forensic toxicology through antibody reactions, chemical analysis, and medical laboratory procedures.
US$ 15.17
US$ 176.02
US$ 125.31
US$ 28.85
US$ 111.45
US$ 111.43