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J.H. Grady "Duo Center"
Patent 1671237
J.H. Grady  Duo Center Patent 1671237

J.H. Grady Duro Seam
 Patent 1861157
J.H. Grady Duro Seam Patent 1861157

Reach Duro Seam Softball
Reach Duro Seam Softball
J.H. Grady Patent 1861157


  J.H. Grady MFG. Co. Official League Baseball
 
J.H. Grady MFG Co. Official League Baseball
J.H. Grady MFG. Co. Official League Baseball
Item Details
  • CIRCA - 1940
  • MANUFACTURER - J.H. Grady co.
  • SIZE -  9 inches - 5 ounces
  • PRICE GUIDE - $75.00 - $150.00
    Excellent-Near Mint Condition
    Due to the lack in sales history, value is estimated on sales of like baseballs.



Information Provided by:
Keymancollectibles.com

 
 
NOTES:
 
   The J.H. Grady Manufacturing Co. was organized as a subsidiary of Rawlings Sporting Goods in 1923 for the production of Rawlings baseballs. John Henry Grady, who made baseballs for Rawlings as a youngster, was named President. The factory opened in with 100 employees at 1310 North sixteenth Street, and in 1931 moved to 927 Tyler street St. Louis. MO, a little more than 1 mile away. In 1946 Rawlings acquired the J.H. Grady Production Organization. This was Rawlings' entry into baseball and softball creation. This acquisition paved the way for Rawlings to develop into the official baseball of Major League baseballs in 1977.

John H. Grady assignor to J.H. Grady held a number of patents for the manufacturing of baseballs and softballs. The J.H. Grady Trademark "Duro seam" was patented in 1932, and was used by all the Major baseball manufactures including Spalding, Reach, Wilson and Rawlings. The also sold the Duro-Seam Softball with the J.H. Grady brand name. The "Duro seam" was a patented method for sewing a hidden seam, with a smooth surface to insure longer wear. Another 1928 J.H. Grady patent was used by Rawlings called "Duo Center" The center core  AKA "Pill" used a combination of vulcanized sponge rubber, and  pure gum rubber. The Rawlings, J.H. Grady Patented "Duo center" is pictured below.

 Made to the same specifications of a major League baseball the 5 inch, 9 ounce J.H. Grady No. 01, "Official League Ball" had a horsehide cover, and a cork center. Printed on the panel east of the sweet spot, the baseball "WOOLEN YARN IN THIS BALL, 75% WOOL 24% REUSED WOOL AND 1% OTHER FIBRES, MFG. 3342"

 The manufacture of baseballs is a combination of machine and hand work. Part of the hand work, stitching the cover, is a relatively slow process the fastest workers can sew only about 200 balls a week. With this limitation on output in 1945, baseball makers were finding it difficult to supply a greatly increased public demand along with continued requirements of the armed services, although production was said to be near the 1941 rate of 3,500,000 balls a year. About one-tenth of the nation's baseballs were made in St. Louis, by the J.H. Grady Manufacturing Company, which also made balls for other games such as softballs, and cork balls. From about 1942 through 1945, half the total baseball output of its factory had gone to the armed services.


 
 
J.H. Grady MFG. Co. Official League Baseball
J.H. Grady Yarn specifications Rawlings-J.H. Grady Duo Center patent 1671237 J.H. Grady Official League Ball size specifications
 J.H. Grady Official League Ball
Yarn specifications
Rawlings-J.H. Grady "Duo Center" patent No. 1.1671237 J.H. Grady Official League Ball
size specifications

Making Baseballs at the J.H. Grady Factory in 1945
J.H Grady factory workers nake baseball J.H. Grady manufacture baseballs Making Baseballs at the J.H. Grady Factory
Making Baseballs for the Army at the J.H. Grady Factory

KEYMAN COLLECTIBLES RELATED RESOURCES
 
     
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  References: Excerpt from Clark Griffith: Baseball's Statesman by Brian McKenna, and the 1943 Sporting News Baseball Guide & Recordbook.  
 
 
 
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