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HYGROMETER , WHIRLING
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PORTABLE INSTRUMENT FOR MEASUREMENT OF RELATIVE HUMIDITY WET & DRY MERCURY FILLED.MOUNTED ON WOODEN FRAME,PLASTIC HANDLE & WATER RESERVOIR.WATER PROOF TETRON CLOTH SOFT CARRING CASE WITH NYLON STRING AND HYROMETRIC TABLE.
SIZE:- 220 X 51 MM. RANGE :- 0? TO 50? C OR 20? TO 120?. |
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