Barometer at sea.

[Sunset barometer readings discontinued].
Published: (1880)

[Adjustments of vernier of barometers at Signal Office stations].
Published: (1874)

[Barometer calibrations following changing of Signal Office station office locations].
Published: (1880)

Instructions for taking and recording meteorological observations and for preserving and repairing instruments; prepared for use of field and astronomical parties of expeditions for geographical explorations and surveys west of 100th meridian, compiled from Colonel Williamson's use of barometer, and from published instructions of U.S. Lake Survey, with such additions and modifications as have been suggested by experience of this survey; to which are appended barometrical tables I to XI, inclusive, of Professional Papers Corps of Engineers, No. 12.
Published: (1875)