San Marino Blue Oceans Floor Standing Globe |

San Marino Antique Oceans Floor Standing Globe |

Pi, 3.14 is a part of daily life, not just once a year on the fourteenth of March. Obviously pi is of greater relevance to architects, craftsmen, mathematicians. Understanding pi is part of how globes are constructed especially large floor globes like this one. There are so many options for learning about geography and mathematics with globes. The San Marino is a beautiful, classic globe that would be a welcome addition to any home, office, or study. A deep, brown wooden stand contains a 20-inch illuminated sphere. There are over 1000 geopolitical descriptions and boundaries. A few less common cartographic features such as old ship routes are included, this is visible when the internal LED is turned on. The multi-directional full meridian is constructed from metal and is connected to a wooden ring at the top which allows for complete navigation of the globe. The cord is located between the globe and meridian at the south pole an inline switch is included. Overall assembled size is 38.6"h x 28.3"w x 28.3"d and ships in 2 boxes. Some assembly required.

And understanding of pi, was integrated into the human record by various civilizations around 2550 BC. The Great Pyramid at Giza, was built during this time frame, this structure had a perimeter of 1760 cubits and a height of 280 cubits. The ratio of this grand edifice is just about 2 times pi. The earliest written references to pi date back to 1900 BC. The Babylonians and Egyptian estimated the value of pi to be 3.125. Mathematicians adopted the symbol π for the expression in the 18th century: Welsh mathematics teacher William Jones is often credited with the first use of the symbol in 1706. A common, fun ritual is to memorize multiple digits of this mathematical concept.