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Thomas Cushing (c1841-1913)
1914 Obituary 
THOMAS CUSHING died in October, 1913, in his 73rd year.
After a short period of service with the firm of Messrs. T. Cooke & Sons of York, makers of scientific instruments, he was appointed in 1867 to the post of assistant inspector of scientific instruments to the India Store Depot, ultimately becoming the chief inspector. In this capacity it was his duty to carry out tests in the early days of telegraph instruments ; and later when heavy electrical machinery came into common use, the testing of this was also comprised in the duties of his office.
He was the inventor of a new form of oil insulator which was patented and proved very successful.
He was elected a Member of the Institution in 1881.