A 19th-century drafting instrument, a beautifully preserved parallel rolling ruler. Expertly crafted from dense, dark ebony and finished with precision-machined brass rollers, this piece embodies the functional elegance of the Victorian era. A very pleasing functional collectable.
 
Designed for the professional cartographer and navigator, this tool was indispensable for maintaining perfect parallel alignment across maps and architectural blueprints. The smooth-gliding brass rollers allow for the seamless transfer of angles and lines, a testament to the high-quality engineering standards of the time.
 
Whether you are an avid collector of antique scientific instruments or seeking a sophisticated desk accessory with a rich maritime history, this rolling ruler is a functional work of art that connects the modern user to a bygone age of precision craftsmanship.
 
The case measures 31 x 4.9cm approximately (12" x 2").