In 1865 William Ladd (1815-1885) of London purchased a 4 inch telescope from Thomas Cooke together with 6 eyepieces for £85 and 10 shillings.
He brought and sold scientific instruments from 1843-1882, I don't know if the Cooke telescope was for his personal use or for re sale..
Ladd experimented with electricity and developed new devices. From the early 1860s onward electrical apparatus were a big part of his retail business.
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