Ray and Randy, here is more information about the introduction dates of the different weights found in Thomas and Hudson-Thomas bullet match loadings by UMC.
Cal. .30 for Krag rifle:
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Thomas, 220 gr
Work started on the summer of 1902.
Not used in the Palma Centennial Trophy, held in on August 26, 1902 in Ottawa (won by the British team).
Used in the Palma Trophy held on September 13, 1902 in Ottawa (also won by the British team).
1903, March 21: New Improved Thomas bullet announced by UMC
1903, July 11: New Thomas bullet, won Palma Trophy at the International Tournament, Bisley.
1903, July 18: Souvenir cartridge with Thomas bullet used to won Palma Trophy. No powder and packed in red box with printed slip.
1903, July 23: Souvenir cartridge with Thomas bullet given at the hardware manufacturer’s convention held in Saratoga.
1903, September 19: Thomas bullet, won the Wimbledon Cup at Sea Girt.
1904-1919: Listed by UMC from April, 1904 to July, 1907, July, and from June, 1909 to 1918/19 (not listed in 1908).
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Hudson-Thomas, 220 gr
1905: UMC ad says “is about to be placed on the market”.
1906, February 1: Hudson-Thomas bullet announced.
1906-1907: Listed by UMC from July, 1906 to July, 1907. New Good for 1906.
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Hudson-Thomas Pointed, 203 gr
1907: Hudson-Thomas Pointed won Palma Trophy, Ottawa, 1907.
1908: Listed by UMC in October, 1908. Weigth listed as 202 gr in the ballistic section (must be a typo). New Good for 1908.
1909: “Not meant to feed through magazine of Krag rifle” noted in UMC June, 1909 catalog.
Box states: “Palma Trophy Cartridge”, “Used by American Team 1907” and “Do not to feed through magazine”.
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Thomas Pointed, 190 gr
1908: Thomas Pointed, 190 gr. Listed by UMC in October, 1908. New Good for 1908.
1909: Thomas Pointed. Listed by UMC in June, 1909. “Made to feed through magazine” noted.
Box states: “Palma Trophy Cartridge”, “Used by American Team 1907” and “Made to feed through magazine”
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Thomas Pointed, 180 gr
No information.
Not listed in catalogs.
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Thomas Pointed 172 gr (spire point)
1910-1919: “Made to feed through magazine”. Listed by UMC from 1910 to 1918/19.
Cal. .30 for Springfield rifle
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Hudson 202 gr
1908, June: Loaded for competitive trials against USCCo and Winchester. Lost against USCCo 180 gr load.
Not listed in catalogs.
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Thomas Pointed 180 gr
1908, June: Loaded for competitive trials against USCCo and Winchester. Lost against USCCo 180 gr load.
Not listed in catalogs.
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Thomas Pointed 150 gr (spire point)
1909: Order placed in February and production started in June of that year.
Not listed in catalogs (see “160 gr” load).
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Thomas Pointed 172 gr (spire point)
1909, June 24: A New Bullet, Thomas Pointed 172 gr, Used at Sea Girt, N. J., June 16th.
1909-1912: Listed by UMC from June, 1909 to 1911-12. New Good for 1909.
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Thomas Pointed 160 gr (spire point)
1913-1919: Listed by UMC from 1913-14 to 1918-19.
The bullet weight would be a mistake and this is likely the 150 gr load that is not listed in any catalog.
No information about Thomas loadings offered between 1919 and 1922. Not listed in the UMC 1923 or subsequent catalogs.
Regards,
Fede