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Show 5- 3* » 9A ( S. A. No. 404, $ 212.50) ( FSN 6660- 551- 3196, $ 168.00). This model is susceptible to rime damage in adverse mountain conditions, but is now replacing the " old Weather Bureau model" ( S. A. No. 403) which is rugged, but inaccurate at higher speeds. A2l* b- Anemometer, Contact Type, Extra Durable. The only anemometer we have encountered with proven ability to survive 100+ mph winds under heavy riming conditions is the Model R/ CCA 5" Cup Contact Anemometer manufactured by Rauchfuss Instruments & Staff Pty Ltd., 11 Florence St., Burwood, Victoria 3125, Australia. The rotating assembly is fabricated of stainless steel. It is available with choice of 1, 2, 4 or 6 contact closures per mile/ hour or per knot of wind run. $ 150.00 FOB Burwood. A25. Anemometer, Generating Type. ( a) Bel fort windspeed detector, ( AC generating type). ( S. A. No. 417), $ 105.00 ( Non- linear output below 10 mph). ( b) Windspeed transmitter ( DC generating type). Output linear 0- 4.0 volts DC from 0- 100 mph. ( S. A. No. 406) $ 179.00. Must be modified for recording. Model F 420- C windspeed transmitter made by Electric Windspeed Indicator Co., 12234 Triskett Road, Cleveland, Ohio 44111, $ 157.00 ( See Appendix B). A26. Wind Vane, Contact Type. Electric wind vane, contacts for eight direction. ( S. A. No. 425) $ 27.50. ( See Appendix B for heavy- duty model.) A27- Wind Vane, Resistance Type. See Appendix B. A28. Operations Recorder ( Event Recorder). ( a) Esterline- Angus* Model A620X Operations Recorder with hand- wound spring chart drive. Portable, wall or switchboard cases available. 10- pen recorder, $ 515- 00, uses chart 1710- C ( 3" per hour chart speed). 20- pen recorder uses chart 1720- C ( 3" per hour). Order from local distributor or Esterline- Angus Company, Inc. of Indianapolis, Indiana. * A11 Esterline- Angus products are available under Government contract. Government Agencies should order through their local E- A distributor and refer to current contract number. 55 |