OCR Text |
Show A18. Temperature Recorder. Disk- type, wal1- mounted, with remote sensor. ( a) Weksler remote recording thermometer. Mercury- actuated, 12" diameter chart. - 30° to 120° F., with 5 feet of tubing on sensor. ( S. A. No. 168- 12) $ 199.00. Additional length of sensor tube up to 250' at $ 1.60/ ft. for first 100', $ 2.60/ ft. for balance. ( b) Foxboro temperature recorder Model 12R- TA- 3B. Gas-actuated, 12" diameter chart, 7" day clock, - 40 to 60 F., circular wal1- mounting case, with 5 feet of sensor tubing, $ 311.00. Additional length of sensor tube to 100', $ 0.75/ ft. A19. Instrument Shelter. Standard louvered shelter for weather instruments. USWB Spec. 450.0615 ( S. A. No. 176). $ 130.00. A20a. Rain Gage. Standard 8" rain gage with stand, funnel, collection can and overflow can, and dip stick. ( S. A. No. 503) $ 75.00. 8" overflow can alone ( for snow water content), $ 34.75. For snow water content alone, order 8" x 24" aluminum can with crimped seams^ from local sheet metal shop. $ 5.00 to $ 6.00. Seal seams with Dow- Corning Silastic or similar sealant. A20b. Rain Gage. Standard 8" can in inexpensive galvanized sheet metal. $ 21.00. Rex Industries, 625 North 335 West, Salt Lake City, Utah 84100. A21. Maximum- Minimum Thermometer. ( a) Mercury- actuated dial type, USWB Spec. 450.1214, - 40 to 120 F. ( S. A. No. 117) $ 57.00. ( b) Bi- metal element, dial type. ( S. A. No. 115" 1) $ 35.00. ( c) Max- min liquid- in- glass thermometers, with support ( S. A. No. 111) $ 45.00. A22. Microbarograph. Standard type. ( S. A. No. 355) $ 375.00. ( Weather Measure No. B211) $ 275- 00. Specify altitude of observation site. A23. Recording precipitation gage. Standard weighing type with clock- driven chart, USWB Spec. 450.2201 and 450.2203, 8". ( See B14 and B15.) A24a. Anemometer, Contact Type. Standard Weather Bureau 3- cup with totalizing dial and 1- mile contact. Belfort No. 54 |