Transparent Celestial Star Globe with Inner Earth Globe Item Type_Scoop Chrome-plated metal-framed 50mm reading magnifier

Chrome-plated metal-framed 50mm reading magnifier with a 12cm focal length

13-inch diameter

supplying replacements when the originals lose loft or split during repeated charging cycles

Three 1W resistors of different values on a single base with six 4mm terminals

Manually-operated seismograph model that traces shock waves onto a pulled paper strip

Transparent Celestial Star Globe with Inner Earth Globe Item Type_Scoop Chrome-plated metal-framed 50mm reading magnifierBuilt around a transparent celestial sphere with an inner Earth globe, this star globe illustrates rotation, revolution, and the positions of major stars and constellations.