The Book of Wonders: Gives Plain and Simple Answers to the Thousands of Everyday Questions
by Rudolph John Bodmer
The steel pen of the present day has reached the pinnacle of perfection, and the method of manufacture of this little but mighty instrument of writing, though of extreme interest, is practically unknown by the general public. To explain in detail the development from the rough steel to the finished pen would needs make a book in itself.🏁