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15" metal tube motion lava lamp

Story of Lava Lamp In 1963, English accountant Edward Craven Walker designed and marketed the Astro Lamp, one of the world’s first motion lamp. “I think it will always be popular. It’s like the cycle of life. It grows, breaks up, falls down and then starts all over again” E. Craven Walker. The First Lava Lamp The lava lamp was developed from a design for an egg timer using two liquids spotted in a Dorset pub. Craven Walker spent years developing this into a light for manufacture initially using cocktail and orange squash bottles. Operating Principle of Lava lamp Lava lamp is also called wax lamp. The name derives from the slow flow of wax droplets of indefinite shape, which is reminiscent of the flow of lava. Lava lamps come in many shapes and colors. The physical principle of the lava lamp is very simple, consisting of a base and a sealed glass bottle. The base was originally a heating wire, but now it is changed to a higher-power bulb or LED. The sealed glass bottle is made of borosilicate glass with a transparent liquid and a translucent wax. The density of wax at room temperature is slightly higher than that of liquid, but after heating it is slightly lower than that of liquid. After energizing, the bulb in the base heats and seals the glass bottle and transfers the heat to the wax block. The wax block in the bottle melts and floats to the surface. As it gradually cools, it sinks to the bottom of the bottle, creating a dynamic light and shadow effect over and over again.

Product serial number

4101

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产品描述

Product name	15" metal tube motion lamp
Item NO.	4101
Size	13 x 13 x 38 cm
Material	metal aluminium & glass
Packing	1 pc/color box,6pcs/ctn
Color box size	13.5 x 13.5 x 40.5 cm
Carton size	42 x 28.5 x 43.3 cm
N.W/G.W	7.32 / 8.80 kgs
Certificate	CE,RCM,Rohs
Remarks	UL/GS/BS/SAA/PSE wire plug / R39 30w bulb

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15" metal tube motion lava lamp