Antique keuffel and esser ny slide rule pat june 5 1900. Nestler also made a reinforced concrete rule which used the system jakob. Page 1 wheelchairs and rehabilitation equipment folding wheelchair model 3. My aristo collection, which covers all the studio versions. Series 100 cementless hip stem based on principles described by prof. While still not on par with large enterprise projects, swt2 is the only lecture in the curriculum that allows you to gain experience in a. It has special scales on both sides as well as a spectacular cursor. Full pictures may be obtained by clicking the image. John mosand 74 is a retired architect, retired musician and a collectorresearcher of aristo slide rules. Molti costruttori di macchine e impianti, per i calcoli relativi, affiancano al software su cdrom regoli calcolatori che, per le loro.
Fiber reinforced polymers the technology applied for. Rechenschieber aus dem bereich bautechnik im onlinemuseum. Aristo stahlbeton 939 concrete slide rule case 1970 germany. This rule is designed for calculating the dimensions of reinforced concrete beams and slabs and the requirements for reinforcing steel. Modulit 500 lp has extreme impact resistance 100 times greater than glass, is light in weight and has a 10 year warranty.
In order to prevent the further spread of the coronavirus, the tib is closed to the public. Aristo precision cutters, precise and powerful, have for decades been a success. We are still here for you online and by telephone, and our digital services and tib document delivery are available as usual. Thus, you shall learn methods, concepts, and technologies that help you to successfully deliver large software developed by multiple teams. This set of slide rule and box are from aristo from germany. Prices of slide rules sold on ebay the internet auction in apr2008. See more ideas about slide rule, old computers and mechanical calculator. This model is the rare 939 stahlbeton duplex ahrend 702. Fiber reinforced polymers the technology applied for concrete repair martin alberto masuelli 20 free ebook download as pdf file. Conversations with irene dennert, widow of hans dennert.
Aristo stahlbeton 939 system gottsch front only concrete slide rule of plastic 337x48x4. Concrete slab with integrated installations andreas e. Eberspacher edith software free download suggestions. Aristo 939 stahlbeton n15 system gottsch, doppelseitiger rechenschieber. Aristo 0908 trilog aristo 914 elektro aristo 915 elektro aristo 915e elektro aristo federfix 920 computational device for cylindrical spring calculations aristo 939 n10 stahlbeton aristo 958 geodat 360 aristo 0958 geodat 400 g aristo 965 commerz ii aristo 966 log log aristo 966h log log aristo 966h log log, example 2 with metal end braces.
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