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THERMOMETER. MAXIMUM ANO MINIMUM, SIX'S WITHOUT SHADE
(0659) |
Similar to THERMOMETER, MAXIMUM AND MINIMUM, SIX'S, WITH SHADE in functioning, but mounted on plane baseboard without shade. Double scale, graduated -20 to 50 x 1?C and 0 to 120 x 2?F. spirit and mercury filled with steel index pins. Includes magnet for resetting and provision for wall mounting. |
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