Premium Air Spectrum Tube, 26cm Subject_Earth Science and animal biology teaching

and animal biology teaching

and lumbar vertebrae for spinal anatomy instruction

the small-volume amyloid and cellulose stain for individual-station microbiology and histology slide-preparation classroom work

this 28 SWG bare constantan wire on a 125g reel holds resistance stable as the surrounding circuit heats up

Vesiculated volcanic glass foams up during rapid decompression of gas-rich lava

Premium Air Spectrum Tube, 26cm Subject_Earth Science and animal biology teachingDemonstrates the emission spectrum of atmospheric gases through a 100mm capillary discharge between side electrodes, in a sealed straight form glass tube.