Use code RJTJFG for 20% off at checkout. Until 5/31/20
Boundary: Bleed area may not be visible.
The watermark at the lower right corner of the image will not appear on the final product.
by Science Source
$48.00
Size
Rope Color
Image Size
Product Details
Our weekender tote bags are chic and perfect for a day out on the town, a staycation, or a weekend getaway. The tote is crafted with soft, spun poly-poplin fabric and features double-stitched seams for added durability. The 1" thick cotton handles are perfect for carrying the bag by hand or over your shoulder. This is a must-have for the summer.
Design Details
In 1623 and 1624, Wilhelm Schickard, in letters that he sent to Kepler, reported his design and construction of what he referred to as an... more
Care Instructions
Spot clean or dry clean only.
Ships Within
2 - 3 business days
Photograph
Canvas Print
Framed Print
Art Print
Poster
Metal Print
Acrylic Print
Wood Print
Greeting Card
iPhone Case
Throw Pillow
Duvet Cover
Shower Curtain
Tote Bag
Round Beach Towel
Zip Pouch
Beach Towel
Weekender Tote Bag
Portable Battery Charger
Bath Towel
Apparel
Coffee Mug
Yoga Mat
Spiral Notebook
Fleece Blanket
Tapestry
Jigsaw Puzzle
Sticker
In 1623 and 1624, Wilhelm Schickard, in letters that he sent to Kepler, reported his design and construction of what he referred to as an "arithmeticum organum" (arithmetical instrument) that he has invented, but which would later be described as a Rechenuhr (calculating clock). The machine was designed to assist in all the four basic functions of arithmetic (addition, subtraction, multiplication and division). The machine could add and subtract six-digit numbers, and indicated an overflow of this capacity by ringing a bell. The adding machine in the base was primarily provided to assist in the difficult task of adding or multiplying two multi-digit numbers. To this end an ingenious arrangement of rotatable Napier's bones were mounted on it. It even had an additional "memory register" to record intermediate calculations. Schickard hired a professional, a clockmaker named Johann Pfister to build a finished machine, but it was destroyed in a fire. Schickard abandoned his project soon aft...
$48.00
There are no comments for Replica Of Schickards Calculating Clock. Click here to post the first comment.