Units of paper quantity size and type of paper being sold. Reams of 500 sheets (20 quires of 25 sheets) were known in England in c1594; in 1706 a ream was defined as 20 quires, either 24 or 25 sheets to the quire. In 18th- and 19th-century Europe, the size of the ream varied widely. In Lombardy a ream of music paper was 450 or 480 sheets; in Britain, Holland and Germany a ream of 480 sheets was common; in the Veneto it was more frequently 500. Some paper manufacturers counted 546 sheets (21 quires of 26 sheets). J.S. Bach's manuscript paper at Weimar
Paper Toss: World Tour Paper Toss: World Tour Paper Toss: World Tour is a causal video game for iPhone, iPod Touch developed by Backflip Studios and sequel to "Paper Toss". "Paper Toss: World Tour" is set in different locations around the world, and players are challenged to flick a piece of paper into a bin. There is wind meaning wind direction and wind speed have to be accounted for making the game more challenging. Players are scored on how many times they manage to toss the paper into the bin until they miss. There are online leaderboards and 8 different levels ranging in difficulty.