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#Magic calculator instructions serial numbers#
#Magic calculator instructions serial number#

Oral history interview by Erwin Tomash, 10 September 1987, Nendeln, Liechtenstein.Ĭharles Babbage Institute, University of Minnesota, Minneapolis. A must have for all CURTA enthusiasts! -Rick-Ĭurt Herzstark, OH 140. The calculator was assembled out of spare parts. The only way 540331 could be black would be if the bottom plate was switched or The black type II case ended between 510336.

#Magic calculator instructions serial number#

In 1949, only 300 CURTAs were made each month.īy 1952, 1,000 CURTAs were made each month.ĬUTRA 2s started at serial number 500,000. Production in 1949 about 300 to 400 per month in 1952 about 1000 per month It appears that at least a little over 1800 units (out of 80,000) have the serial number Number on the bottom row of the bottom plate).

#Magic calculator instructions serial numbers#

Type I's with Serial Numbers on top row of bottom plate (most Curta's have the serial There are +/- 80000 Curta I and +/- 60000 Curta II machines.Ĭurt Herzstark heard 150,000 to 160,000, maybe even more CURTAs were manufactured.ġ- 7178 then a few more pin sliders were produced from 9321-9620. In 1966 CONTINA AG was bought by the firm HILTI AG in Schaan. Samuel Jakob Herzstark Īustrian Calculating Machines Manufacturing Company, Vienna f.1905 Rick, I got the poster and my engineer colleagues come to my office just to study it! Ray - North Bend, WA USA.On page 98 where the author, Cliff Stoll, thanks his elves) and now I know the source of some of the photos in the article since I visited your web site. I noticed your name in the CURTA article in the January Scientific American (in the box The detail and quality of the photos is excellentĪnd the amount of data you have included is impressive. Rick, Your work is outstanding! The poster is amazing I've been studying it since it arrived.Hi Rick, The poster arrived today it's fantastic! Absolutely beautiful! Thanks, Bob - Palo Alto, CA USA.The Curta poster is wonderful! Thanks so much.Hi Rick - Beautiful job on the poster! 'twill be framed soon.

Thanks again - Tom - Stoughton, Wisconsin USA BEAUTIFUL!!!! I left very positive feedback.

Thanks for the poster that I just bought.

Excellent item, fast ship and well packed A+++++ - Brian - Lawrence, Kansas USA.

Thanks for a perfect transaction!! - Kerry - Sayre, Pennsylvania USA

Speedy, secure shipment of an excellent product.

Hi Rick, thanks a lot, I just received the poster! It is fantastic, really well done.

It's something NO Curta Home should be without.

Rick - the Curta poster is absolutely fabulous, both the production quality and the concept.

Thanks again! - Sam - Ridgecrest, California USA I am VERY pleased with it and plan to frame it for my office. Just a quick note to let you know the Curta poster arrived today. I have the poster displayed temporarily in a poster frame with a thin plastic cover until I have a permanent frame made for it. Even the sturdy custom mailing tube is a keeper.

I received the Curta poster and it is beautiful to my eyes.

I congratulate you too this excellent poster.

I have received the wonderful curta poster and I am inspired.

Your wonderful Curta poster arrived well yesterday.

Thank you! It's wonderful! Now I just have to find a frame and it will hang in pride of place in my house. I have a Curta that I inherited from my great Uncle.

Thanks! This will hang in my office at NASA.

I'll be framing it and hanging it in my den. I thank you for your prompt and friendly service.

The poster was received today in perfect condition.

What a great idea you had and thanks again so much for creating it.

The poster arrived yesterday and it's terrific! You did a really great job on it and I'd think any Curta collector will want one too.

The Curta German Calculator poster is very suitable for framing and will make a wonderful gift to any Many thanks are due to Hans-Rudolf Roshard for his help translating this poster to German. Like the original Curta poster, this fabulous poster Introducing the classic Curta Calculator poster in German. The Curta Calculator poster printed in the German words of the Great Master, Curt Herzstark. The poster will be shipped in a rugged 3" x 18" High quality Strobe Gloss 100# cover paper. The poster measures 24 1/2" (62cm) in width and 16" (41cm) in height and is printed on It is an essential element in any Curta collection. The Curta Calculator poster is very suitable for framing and will make a wonderful gift to anyĬurta enthusiast. Many thanks are due to Carl and Jack for their encouragement Photographs, drawings and artwork have been combined with new imagery to produce this engineer's The elaborateĪnd detailed poster design was nearly a year in planning and execution. With its original name as designated in the Contina A.G. Parts are close to actual size and displayed in multiple exploded views.

Shows a detailed layout of the inner working of Curt Herzstark's amazing machine. Introducing the classic Curta Calculator poster for all Curta fans.