Laboratory Grade Aceto-Orcein Chromosome Biostain Solution, 2%, 30mL Geology Specimen Collections_Fossil Collections each 20mm on edge with

each 20mm on edge with a top hook for suspending in water during Archimedes-principle and buoyancy experiments

this activator block accepts any tuning fork and protects the metal from scratching

this acrylic-headed mallet delivers a firm strike that excites the fundamental frequency cleanly and reproducibly

20 MHz BandwidthDigital Readout with Backlit LCDSharp Trace CRT and Auto focusStable Triggering up to 40 MHzX 10 Magnification20ns max Sweep SpeedAlternate TriggeringGold Plated BNC Connectors

Five-hundred-gram bottle of coarse 50-mesh laboratory-grade iron filings

Laboratory Grade Aceto-Orcein Chromosome Biostain Solution, 2%, 30mL Geology Specimen Collections_Fossil Collections each 20mm on edge withUsed to stain chromosomes during cell division observation, this 2% aceto orcein biostain acts as both fixative and color bearing dye for mitosis and meiosis slides at 30mL volume.