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in place name: "United States - Texas - Guadalupe County - Seguin"

Automatic Alarm for Stem-Boilers.

Patent for a new and useful automatic alarm for steam boilers, including instructions and illustrations.

Date: July 18, 1899

Creator: Prencel, Anthony M.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

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).

Date: November 21, 1899

Creator: Von Koehring, Henry