I had an immense advantage over many others dealing with the problem in as much as I had no fixed ideas derived from long-established practice to con….

We fixed on No. 4, Queen Street Place, for our City offices, and it was from there that so many of my patented inventions were dated..

I had now arrived at my seventeenth year, and had attained my full height, a fraction over six feet. I was well endowed with youthful energy, and was….

In such a case secrecy must be absolute to be effective, and although mere vague curiosity induced many persons of my intimate acquaintance to ask to….

It is true I had been successful on a small scale in overcoming one of the main difficulties in the new process, but there was still much to invent, ….

On March 4th, 1830, I arrived in London, where a new world seemed opened to me..

I was quite unable to make any white metal alloy hard enough to be made into powder by my machinery.