Risco Food Processing Mixers
Source for used and reconditioned twin shaft paddle mixers. Includes a current inventory. Located in Suffolk, UK.
http://www.risco.co.uk/

Aaron Process Equipment Company
Manufactures broad range of mixing, blending, and process equipment. Includes batch mixers, ribbon blenders, agglomeration systems, and rotary vacuum dryers, and double arm mixers.
http://www.aaronprocess.com

Shaft Sinkers
From shaft sinking and tunneling to large underground excavations, Shaft Sinkers has achieved worldwide acclaim.
http://www.shaftsinkers.co.za

Grovers International
Manufacturers of ribbon, double cone, cage blenders and rapid mixers for the pharmaceutical industry.
http://www.groversequip.com

A&J Mixing International Inc.
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http://www.ajmixing.com/

Orbital Food Machinery
Manufacturer of food processing machinery including all stainless twin shaft paddle mixers and vacuum tumblers. United Kingdom.
http://www.orbmix.com/

Double-double precision
Fortran 90 code by Claire Moreau-Finot for double-double precision arithmetic. That is about a hundred bits of precision with a floating point notation. The library computes the exponential function radix 2 and e, the cosine and the sine.
http://perso.ens-lyon.fr/marc.daumas/SoftArith/ddouble.php?langue=en

Binsfeld Engineering, Inc.
Torque measurement and shaft power monitoring on rotating drive shafts is easy with torque telemetry instruments and software from Binsfeld Engineering. Our torque measurement systems mount quickly to any size shaft without machine disassembly or modification. TorqueTrak products are designed to provide accurate and reliable torque data in demanding applications.
http://www.binsfeld.com/

Tramec srl
Riduttori di velocità - Gearboxes, TRAMEC - Manufacture of speed reducers and speed variators - Tramec Srl, Via Bizzarri 6 - 40012 Calderara Di Reno - Bologna - Italy - Italia - Worm gearboxes, Bevel helical gearbox, Parallel gear shaft unit, Shaft-mounted gearbox, Right angle gearbox, Precision planetary gearboxes, Elastic couplings with nylon ring, Double output worm gearboxes, Socket head worm gearboxes, Right angle gears, Speed variators, tetraservice.
http://www.tramec.it

Encoder Products Company
Encoder Products Company is a leading manufacturer of incremental optical rotary encoders for shaft and hollow bore industrial applications.
http://www.encoderproducts.com/