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to George Wanton Ellery

Written to his son at Captain Barney's School in Wickford, Rhode Island. Thanks him for his letter. Advises him to continue with his studies. Ellery plans for George to finish the academy, and at such time to place him in a situation where he "may...

GLC02300.24

to Henry Jackson Hunt

Mentions Upton (probably Emory Upton, who published a book on infantry tactics in 1867). Praises and discusses Hunt's artillery tactics, a topic on which Hunt had co-published in 1864. Discusses his European tour, including a meeting in Paris with...

GLC02382.062

Collection of two documents related to Dycas's Hydrometer [Decimalized .01-.02]

Circular letter to customs officers regarding the use of Dycas's Hydrometer, accompanied by directions for using the device.

GLC08993

to Custom Officers

Discussing Dycas's Hydrometer, a device to be used for assessing the proof of alcohol and spirits for taxation. The Hydrometer is enclosed, as well as intructions on its use. Discusses the use of the Hydrometer, the reasons for its neccesity, and...

GLC08993.01

Description of the Scale of accompanying Dycas's Hydrometer

Explains how to use and read Dycas's Hydrometer, a device invented to determine the strength of alcoholic beverages, so that the proper tax could be applied.

GLC08993.02