Udeyraj and Sons
Manufacturers of panel meters, insulation, earth testers, multimeters, transformers, oil testers, HV testers, relay and secondary testers.
http://www.udeyraj.com/

Smart Pendulum
Java applet explores a pendulum with rope of variable length. The solution implements 4-th order Runge-Kutta method for differential equations.
http://odin.prohosting.com/~evgenik1/pend.htm

Cirris Systems Corporation
Use the Cirris Systems Cable Testers, Harness Testers or Hipot Testers for cable testing of all your cables, PCBs, Components etc. Measure resistance, check continuity, do insulation resistance testing as well as Dielectric Withstand Voltage test with both DC and AC voltage. Use Cirris cable testers to verify the integrity of your cables or harnesses and insure that your customers receive only the highest quality cables from your company.
http://www.cirris.com/

Pendulum Energy
Pendulum Energy has helped its clients map out processes and streamline those processes key to increasing productivity and profitability
http://www.pendulumenergy.com

Data Sync Engineering
Manufacturer of test equipment, interface adapters and development software.
http://www.datasynceng.com/

The Simple Plane Pendulum
This applet illustrates the simple plane pendulum, with or without damping. The user enters the damping coefficient and initial conditions, and the applet animates the pendulum's motion and plots the angular velocity versus the angle. Such a plot is called a phase portrait.
http://www.iopb.res.in/~vshenoi/scienceday/fundemoapplets/JAVA/pendulum/pendulum2.html

Yueh-Chi Enterprise Co., Ltd.
Taiwan. Selection of hand and power tools. Range includes impact wrenches, air drills, micro die grinders, and torque testers.
http://www.scorpiotool.com/

Three-In-One Enterprises Co., Ltd.
Taiwan, Asia, manufacturer of auto circuit test, auto batteries radiator equipment, windshield tools, automotive specialty tools, professional windscreen hand tools, auto battery accessories, auto parts, anti-freeze testers, radiator flush kit, battery testers, auto accessories, plastic products, metal products, auto tools, terminals, auto testers,video image gudie scope-borescope-endoscope,auto testers
http://www.auto-parts.com.tw

Impact Structures
In this Web site, you get varied informations on the geology, geophysics and petrography of impact structures (meteorite craters) including extensive visual material about impact rocks
http://www.impact-structures.com/

Analysis Tech
Manufacturer of Semiconductor Thermal Resistance Testers and Solder Joint Reliability Testers.
http://www.analysistech.com/