Genaille-Lucas Rulers - A Hands-On Multiplication Tool & Historical Math Aid

Master Multiplication Without a Calculator

Discover the Genaille-Lucas Rulers, a fascinating historical math tool that simplifies multiplication with no need for mental calculations. Designed in 1891 by Henri Genaille as an improvement over Napier's Bones, this set of 11 precision-engraved wooden rods allows users to instantly read multiplication results, making it an excellent teaching aid for homeschool, STEM learning, and Montessori education.

How It Works:

By aligning the rulers according to the number you wish to multiply [1-9], the correct answer is displayed in an easy-to-read format. This eliminates the need to manually carry digits, making it a powerful tool for visual and hands-on learning.

Key Features:

Who Will Love This?

Product Specifications:

Pair It with the Genaille-Lucas Division Rulers

For a complete historical math set, check out our Genaille-Lucas Rulers for Division, which simplify division calculations in a similar way.

See It in Action

Curious about how the Genaille-Lucas Rulers work? Watch this demonstration video:

Order Your Genaille-Lucas Multiplication Rulers Today!

Experience the magic of math with this historic, hands-on multiplication tool. Whether for learning or collecting, the Genaille-Lucas Rulers are a timeless addition to any classroom or collection. Click "Add to Cart" now and explore math the way it was done before calculators!

Materials: Wood

Dimensions: Each ruler: 11” x ¾” x ¼” thick

Made in the USA - Crafted with care in our Hudson, Florida workshop.