Scope and Contents Within the collection there is an autograph letter signed from the X-ray pioneer to 'My dear Forbes' on their leaving the Royal High School, placed and dated as Edinburgh (Dalhousie Terrace), 13 March 1889. The letter was written when Spence was 17-years old. He writes, 'In parting with you I part from a friend, and I hope you will not take it as an insult when I say that I have a greater liking for you than I ever had for any of my companions'. He hopes Forbes reached home safely, and he is...