The Baseball Batting Averager, Finds Averages in a Jiffy, A Volvelle

Descripción

A volvelle or wheel that helps the user find the batting average of any baseball player "in a jiffy". The user needs to turn the wheel until the arrow is pointing to the the number of times a player was at bat, this number appears through the opening on the top disk. Then one can read the battling average of the player on the top disk directly opposite the number of hits made, which is on the bottom disk. The volvelle can calculate the batting average of a player, as long as they have been at bat between 35 to 640 times. In the center of the volvelle is a black and white illustration of a man at bat, swinging and missing the ball, with the catcher and umpire behind him. The back of the volvelle is blank with the exception of a stamped "39 cents". Dated through "Catalogue of Copyright Entries: Third Series", which is a book found on Google Books that lists the copyrights of items by year. Measures 8 1/4" (diameter). General wear, minor water stains. N° de ref. del artículo 29018475

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