If you are thinking of buying a Curta calculator, beware of buying a Curta with hidden defects, of which there are many. This Curta calculator is an early, Curta Type II. Later on, in the mid 1960s, the Type 1 were only supplied with plastic cranks and plastic clearing levers.
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Ruler Calculator Cartoon Learning Stationery Ruler Mini Electronic Calculator Student Measuring Scale Office School Supplies
Aliexpress UK
The Curta Type 1 Mechanical Calculator is a vintage scientific instrument made in Liechtenstein. This calculator is known for its unique design and functionality, featuring a series of rotating wheels that perform calculations with high accuracy. The original case and serial number #14872 add to the authenticity and collectible value of this rare piece of scientific equipment. Perfect for collectors or those interested in vintage technology, this calculator represents a piece of history in the world of science and medicine.
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2 IN 1 Scientific Calculator with LCD Notepad Portable 12 Digits Math Calculator Foldable Handwriting Board School Office
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With a 3D printed case. Otherwise not sure if working - appears stuck but that could just be as I am unfamiliar with it.
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12-Digit LCD Multifunctional Solar Calculator Mechanical Key Dual Power Solar/Battery Office Student Calculator
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CURTA Type I. (See pictures). SERIAL : #53991. The ORIGINAL Canister is included. (Very Good Condition - See pictures). This machine is in perfect working order.
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Mechanical Calculator 12 Digit Large LCD Display Big Round Button 15°Tilt Screen Cute Candy Colored Dual Power Supply Calculator
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Made from over 240 individual parts, not including the individual number pieces or chain links. The number wheels were all good and only required a very light oil to ensure the 10s carry and reset worked smoothly.
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1pc 10cm Ruler Mini Calculator Ultra-thin Solar Energy Multifunction Calculator for Children School Office Supplies Random Color
Aliexpress UK
SERIAL : #73907. CURTA Type I. (See pictures). The ORIGINAL Canister is included. (Very Good Condition - See pictures). This machine is in perfect working order.
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Mini 8-Digit solar card calculator, plastic ultra-thin color 2-line button, portable small pocket calculator
Aliexpress UK
It works properly. I send a product byDHL or EMS. Functional;.
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【 Random 1pc】10cm Ruler Mini Calculator Ultra-thin Solar Energy Multifunction Calculator for Children School Office Supplies
Aliexpress UK
Enhanced Sleep Quality: Get the best sleep possible with our blackout curtains. Easy Cleaning: Simply wash these curtains in cold water on a gentle cycle and iron on low heat to remove any wrinkles.
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12 Digits Display Scientific Calculator 2-Line Screen Big Screen 240 Functions Calculator Multifunctional Portable
Aliexpress UK