Transparent Celestial Star Globe with Inner Earth Globe Item Type_Scoop Medium metal displacement vessel at

Medium metal displacement vessel at 115 by 90mm with a side spout

supplying steady low-voltage current to electronics and optics circuits on student benches

Hand-cranked 4-stroke gasoline engine model at 13

Four-cylinder equal-mass set at 100g each in copper

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

Transparent Celestial Star Globe with Inner Earth Globe Item Type_Scoop Medium metal displacement vessel atBuilt around a transparent celestial sphere with an inner Earth globe, this star globe illustrates rotation, revolution, and the positions of major stars and constellations.