Discover and read the best of Twitter Threads about #Potash

Most recents (2)

The #TimesSquare ball that's lowered each #NewYear is made of 2688 Waterford Crystal triangles. Crystal is made of minerals such as #silica, #potash and lead. It's frame is made of aluminum. There have been 7 different balls since 1907. The 1st was made of #iron and wood.
Dropping a ball to mark time started in 1833 in #Greenwich, #England, at the #RoyalObservatory. A ball was lowered each day at 1 pm so nearby ships could set their chronometers (a navigational instrument).

#nspoli #novascotia #ns Image
About 150 balls were used around the world after the success at #Greenwich, but few still work. #CitadelHill’s noon cannon served a similar purpose – it kept the military running on time and allowed ships to set their chronometers.
#nspoli #novascotia #ns Image
Read 3 tweets
Headed on a tour of Nutrien’s Cory potash mine just outside #sasktoon. #yxe
So there’s a lot of potash at Cory Mine. #yxe #saskatoon #potash #skpoli Image
.@NutrienLTD gave local media today a tour of the Cory mine site, including a trip about 3,300 metres underground. #yxe #saskatoon #potash ImageImageImageImage
Read 18 tweets

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