Texas Patents - 2 Matching Results
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- Automatic Alarm for Stem-Boilers.
- Patent for a new and useful automatic alarm for steam boilers, including instructions and illustrations.
- Pyrometer.
- Patent for a new and useful pyrometers "in which the motive power is a column of metallic balls of high expansive quality inclosed in a metallic tube of less expansive power" (line 9 - 12).