Railroad

Hartford School District Hartford School District- Provides Information on area schools, bus schedules, calendar (PDF) and athletics. Quechee & Wilder Libraries Quechee & Wilder Libraries- Information about the public library in Quechee and the reading room in Wilder, both in the town of Hartford. Hartford Police Hartford Police- Offers information on animal control, accreditation, and homeland security. Includes job openings. Hartford, VT - Topix Hartford, VT - Topix- News feed for Hartford, Vermont. Hartford Local News: Topix Hartford Local News: Topix- Local, regional, and statewide news collected from diverse sources on the web. Town of Hartford, Vermont Town of Hartford, Vermont- Includes town administration and meeting minutes, public works department, emergency services, parks and recreation, and social services. Hartford Library Hartford Library- Provides National Register nomination information for this location. Acousto-Optical Effect: Deflectors Acousto-Optical Effect: Deflectors- Optical deflectors are intended for the spatial control of optical beams. Acousto-Optical Filters Acousto-Optical Filters- The principle of operation of these filters is based on the dependence of the diffracted light wavelength on the acoustic frequency. This article consider… New 3-D Acousto-Optic Instruments for Small Scale Oceanic Measurements New 3-D Acousto-Optic Instruments for Small Scale Oceanic Measurements- Discussion paper by Jules Jaffe, Ed Reuss, Andrew Palowitch, Duncan McGehee and Girish Chandran. Includes d… Acousto-Optics Acousto-Optics- Article from Wikipedia on this branch of physics that studies the interactions between sound waves and light waves, especially the diffraction of laser light by ul… The Acousto-Optic Modulator and Optical Heterodyning The Acousto-Optic Modulator and Optical Heterodyning- Discussion paper from the Department of Physics, Middlebury College. Includes diagrams and references. AA Opto-Electronic AA Opto-Electronic- Design and manufacturing of acousto-optic devices and associated radio-frequency drivers. Rebel Space Rebel Space- Supplier of products for low, mid, high-power rocketry, research rocketry, and university projects in the EU. Manufactures and launches CanSat rockets. Launch Pad 2000 Launch Pad 2000- Specializes in model rocket educational materials and kits for schools, scouts, and other youth groups. Carries Estes, Quest, and Custom Rockets. Public Missiles Ltd. Public Missiles Ltd.- Manufacturer of high power rocketry components and kits. Comprehensive collection of rocket, component, and performance data. Rocket and Engine Store Rocket and Engine Store- Canadian model rocket store. Carries model rocket sets and kits, rocket engines, launch and build accessories. 321Rockets.com 321Rockets.com- Exclusively carries Estes kits and motors as well as building and launch supplies. FireStar Electric Match FireStar Electric Match- Electric match rocket motor igniters, supplies, and kits. Walston Retrieval Walston Retrieval- Sells radio tracking devices and receivers. Manufactures multiple models of transmitters and receivers. Big Red Bee Big Red Bee- Offers radio location finders including beacons and GPS trackers. Small size, light weight, and user-programmable frequency. Leading Edge Rocketry Leading Edge Rocketry- Manufacturer of model kits for night rocketry and full line of rocketry supplies. MissileWorks MissileWorks- Carries altimeters, timers, and Kevlar cords. LOC/Precision LOC/Precision- High power kits, components, and recovery. Balsa Machining Service Balsa Machining Service- Custom laser cut fins, centering rings and tubes. Machined balsa nose cones. Supplier of building supplies and school kits, including materials for the Te… Rocketarium Rocketarium- Kit provider. Kits arranged by manufacturer, model type, skill level, and price range. Wildman Rocketry Wildman Rocketry- Manufacturer of Wildman kits and distributor of LOC/Precision, Aerotech, Hawk Mountain, Public Missiles, and Performance Rocketry kits. Sells motors, building an… PerfectFlite PerfectFlite- Specializes in altimeters, timers, and related electronics. Top Flight Recovery Top Flight Recovery- Manufacturer of TFR parachutes and streamers and dealer of Contrail Rocket hybrid motors. Order by phone, fax, or mail. Sirius Rocketry Sirius Rocketry- Manufacturer of Sirius kits and distributor of Estes, FlisKits, and Semroc kits. Also carries decals and bulk supplies.