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Show I tern Source Unit Cost B13-" 24 charts No. 1710- C, 3 inches per hour. B13a. Anemometer tower ( See A 37 and Appendix C) B13b. Volt- ohm- mi 11iammeter XSee B7c) $ 40.80 $ 200.00 $ 46.00 PRECIPITATION Bl4. Recording rain and snow gage Bel fort Cat. No. 5~ 780 with 12- inch dual traverse. LESS CHART DRIVE AND CYLINDER BUT WITH ( 100) 192" hour charts No. 5- 4046B, complete with pen, ink, and dash pot fluid. FSN 6660- 558- 0157 B15. Model 301D Drum chart drive, battery actuated, 3.0 volts D. C. for recording rain and snow gage- drum height 6 5/ 8". With power pack. Gears for 192 HOUR CHART. Part No. 8171, Group 5- With power pack. ( B14, B15, B15a and B15b are optional items. Consult Rocky Mountain Forest and Range Experiment Station before purchas i ng.) B15a. Model P511E heated remote recording snow gage. Electrically heated. Uses Model P521 Event Recorder. Not on contract B15b. Model P511P heated remote recording snow gage. Propane heated, no electrical power needed. Uses Model P521 Event Recorder. Not on contract Belfort Instrument Company $ 277.00 Belfort Company Instrument $ 82.00 Weather Measure Corporation $ 555.00 $ 645.00 61 |