signalling letters patent

Made:
1875

Letters patent of William Nickson Haggard, of Haggard Bros & Co, Tea Merchants, 3 & 4 Fowkes Buildings, London for his invention of "Improvements in Electro-magnetic signalling apparatus", with seal, 18 March 1875.

Details

Category:
Archive Collections
Object Number:
1998-9552/2
type:
letters patent
credit:
Ruffell, Mrs B.L.

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