https://www.researchgate.net/publication/318668241_Turing's_pre-war_analog_computers_The_fatherhood_of_the_modern_computer_revisited https://www.researchgate.ne

https://www.researchgate.net/publication/318668241_Turing's_pre-war_analog_computers_The_fatherhood_of_the_modern_computer_revisited https://www.researchgate.net/publication/318668241_Turing's_... Both are paywalled.