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1924 Cram Radio Map of the United States and Canada
RadioMap-cram-1924
Title
1924 (dated) 27.5 x 33.5 in (69.85 x 85.09 cm) 1 : 6336000
Description
Radio Station Call Letters
The map illustrates the radio station naming system. Originally intended for the Telegraph Network, an international conference in 1912 on 'RadioTelegraphs' or 'Telegraphs' assigned various letter codes to different countries. American was assigned W (east of the Mississippi), K (West of the Mississippi), N (Government and Military), and A (Government and Military). Canada was assigned C, and Mexico X.There are several editions of this map. We have not been able to positively identify a first edition, and the present is a 1923-1924 'Revised' edition. Reflecting the rapid development of the American radio system, editions differ greatly in content and form.
Cartographer
George Franklin Cram (May 20, 1842 - 1928) was an American map publisher active in the late 19th and early 20th centuries. During the American Civil War, Cram served as a staff cartographer for the Union General Ulysses S. Grant and participated in Sherman's 'March to the Sea'. In 1867, after being discharged from the army, George Cram moved to Chicago, where he founded 'Blanchard and Cram' with his uncle Rufus Blanchard Evanston. Blanchard and Cram was a supply house for the book trade - though they also published a few maps during this period. This short lived business was destroyed in the 1871 by the Great Chicago Fire. After the fire, recognizing a business opportunity in the burgeoning railroad industry, Cram reinvented himself as cartographic publisher, opening the Cram Map Depot. Like fellow Chicago publisher Rand McNally, Cram took advantage of the economical wax engraving processes to inexpensively produce maps in vast quantities. His signature publication, the Unrivaled Atlas of the World became the world's best-selling atlas and was published from the 1880s to 1952. On retiring in 1921, Cram sold his company to Edward A. Peterson of the National Map Company (Scarborough Company). Peterson moved the company to Indianapolis where, following Cram's death, he rebranded the National Map Company as the George F. Cram Company, surely thinking to capitalize on the established identity of the firm. In 1930 he entered the globe market for which the firm was best known from the mid-20th century. In time the firm expanded globally passing becoming a major concern. Loren B. Douthit became company president in 1968 and the Douthit family ran the business until Herff Jones, Inc., bought the company in 2005. More by this mapmaker...