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IRELAND

Issued on: Nov. 13, 1943.-
2 Values Perforated
Type: Complete Set
Printing method: taille douce
Width (mm): 20
Height (mm): 24

Description : Centenary of the announcement of the discovery of Quaternions by Sir William Rowan Hamilton, astronomer, mathematician and physicist.

Values information :
astronome IRL 1      1/2p green
astronome IRL 2    2-1/2p red brown

Yvert  : 97/98
Michel : 91/92
Scott  : 126/127

Item in a Catalogue.

Keyword(s) : #Celebrity, #Scientist.

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Add to cart	SEE ALSO
	astronome IRL 1/2	14,-

 astronome theme
 Album Page :
 4  .

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