Premium Spectrum Tube Power Supply Subcategory_Molecular Models Regulated dual-output power supply showing

Regulated dual-output power supply showing independent LED readouts of voltage and current

Hand-painted 4-part human brain model separates into cortical hemispheres and brain-stem regions for lobed-anatomy teaching at introductory biology levels

Life-size kidney model separates into two hemispheres exposing cortex

Twenty-centimeter steel helical spring paired with 2kg

Premium Spectrum Tube Power Supply Subcategory_Molecular Models Regulated dual-output power supply showingBuilt to excite gas atoms inside spectrum tubes, this premium power supply drives atomic emission demonstrations that reveal each element's characteristic spectral lines.