A New Analytical Engine in Nature 81, 1909, pp. 14-15
London: Macmillan and Co., 1909. 1st Edition. BOUND FIRST EDITION OF RARE DESCRIPTION OF LUDGATE’S ANALYTICAL ENGINE; FULL VOLUME WITH ORIGINAL WRAPS BOUND IN. In 1909, working entirely on his own and only as a ‘hobbyist’, completely unaware of Charles Babbage’s designs, Dublin accountant P. E. Ludgate (1883-1922) designed an..... More