Bill Tavis Mandelmap Fractal Poster (36 x 24 inches)
- Detailed poster of the Mandelbrot set fractal in a beautiful vintage-map style. Perfect for any math lover!.
- Mapped with external angles, equipotential lines, period numbers, and colloquial names, along with hand-drawn illustrations of the most common locations.
- Several high-quality zoomed-in renderings show the wealth of pattern in the fractal, and the standard size of 36x24 inches is easy to frame..
- Includes descriptions of many of the most interesting features of the set, and how to find them. The fonts were chosen to match the actual fonts used on old maps and everything is completely legible if read with care..
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Surge Protection Device, 2P DC Photovoltaic Lighting Protector Low-voltage Arrester Whole House Surge Protector for Home and Commercial Lighting Protection(2P40KA)
- Mainly Applications： Indoor Surge Protection Low Voltage Arrester Device can be used to protect electrical systems and load electrical equipment from lightning and instantaneous overvoltage.
- Top Grade Material：PC flame retardant shell is safe and sturdy. Purple copper features great electrical conductivity. Inner precise electronic components works more stable..
- Easy to Install：This product adopts 2P guide rail installation, installation is very simple. Installation with standard 36MM guide rail and use with circuit breaker in distribution box.
- More Applications： The house surge is suitable for C, D class lightning protection, equipotential connection when lightning strikes, rapid response when lightning strikes, pressure relief, protection of household appliances and your safety.
- Modular Structure：Modular design surge protection device, daily use and maintenance are very simple..
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(2-Pack) Zinc Anode Weight - Anti-Electrolysis Sacrificial Anode - Galvanic Anode for Passive Cathodic Protection - Bolts Inside or Outside Skimmer Baskets - Salt System Swimming Pool Must-Have
- ...and other metal components that are in constant contact with the saltwater.
- GALVANIC ANODE FOR PASSIVE CATHODIC PROTECTION - The way the sacrificial anode works is that it corrodes first before other metal components in the pool - the zinc (anode) basically protecting more “noble” metals (cathode). Together with equipotential and pool water bonding, this galvanic anode will aid in preventing corrosion.
- INCLUDE 2 CABLE TIES - Whether you bolt it inside or outside your skimmer, the sacrificial anode will work its magic. It will secure the skimmer basket in place. There are 4 mounting holes, the center hole is 5/16 inch in diameter and the 3 outer holes are 1/4 inch in diameter.
- SALT SYSTEM SWIMMING POOL MUST- HAVE - Prolong the lifespan of your salt system pool’s metal components. This is imperative even if you haven’t yet noticed signs of corrosion. Don’t wait for corrosion to eat away your pool’s screws, ladders, and more! This zinc anode weight is a simple yet effective solution to corrosion.
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