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[Postcard of Fire Fighters with a Hand-Drawn Fire Engine]

Postcard of uniformed fire fighters standing near a hand-drawn fire engine. The engine has two poles on its front for the fire fighters to carry, and requires multiple people to move. The engine has the words, " Torrent Veteran" written on its hose. On the back of the postcard, the sender left a handwritten message that says, "Cannot find any cards of the Phila. Fire Dept. -Edna V. Johnson."
Date: June 29, 1911
Creator: Johnson, Edna V.
Object Type: Postcard
System: The Portal to Texas History
[Letters from J. F. Jones to W. R. Haskell, 1918] (open access)

[Letters from J. F. Jones to W. R. Haskell, 1918]

Copies of two letters sent by J. F. Jones to W. R. Haskell and his company in 1918, both regarding prices for unhulled sweet clover seed.
Date: 1918
Creator: Jones, J. F.
Object Type: Letter
System: The Portal to Texas History
Process of Making Aluminum Chlorid. (open access)

Process of Making Aluminum Chlorid.

Patent for the process of making aluminum chlorid (chloride) wherein solid materials are preheated to alleviate heating supply issues during the process.
Date: May 28, 1918
Creator: King, George H. & Roberts, Gerald I.
Object Type: Patent
System: The Portal to Texas History
Combustion of Coal and Design of Furnaces (open access)

Combustion of Coal and Design of Furnaces

From Purpose and scope of Investigations: "The combustion investigations of bureau are carried on in two parts. One part is the study of the process of combustion in the fuel bed as affected by the rate of supplying air through the fuel bed, by the character of the fuel as regards structure and composition, by the thickness of fuel bed, by the method of feeding the coal and the air and by the method of heating the coal. The second part of the investigation is the study of the process of combustion of the gases and other combustible rising from the fuel bed in the combustion space, after a sufficient quantity of air has been added. The results of the study are given in this report."
Date: 1917
Creator: Kreisinger, Henry; Augustine, C. E. & Ovitz, F. K.
Object Type: Report
System: The UNT Digital Library
The Culture of Winter Wheat in the Eastern United States (open access)

The Culture of Winter Wheat in the Eastern United States

Report discussing best practices for growing winter wheat in the eastern United States. Topics discussed include soils adapted to wheat cultivation, fertilizers, seed selection and preparation, and crop rotation.
Date: 1914
Creator: Leighty, C. E. (Clyde Evert), b. 1882
Object Type: Pamphlet
System: The UNT Digital Library
The Culture of Winter Wheat in the Eastern United States (open access)

The Culture of Winter Wheat in the Eastern United States

Revised edition. Report discussing best practices for growing winter wheat in the eastern United States. Topics discussed include soils adapted to wheat cultivation, fertilizers, seed selection and preparation, and crop rotation.
Date: 1917
Creator: Leighty, C. E. (Clyde Evert), b. 1882
Object Type: Pamphlet
System: The UNT Digital Library
Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910: Part 1. -- Analyses (open access)

Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910: Part 1. -- Analyses

From Significance and value of Analyses of Coal: "The analyses published in this report cover samples of coal collected in many different parts of the country with unusual care by experiences men, in such manner as to make them representative of extensive beds of coal."
Date: 1913
Creator: Lord, N. W.
Object Type: Report
System: The UNT Digital Library
Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910 Part 2. Descriptions of Samples (open access)

Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910 Part 2. Descriptions of Samples

From Introduction: "This volume contains the descriptions of the samples whose analyses are published in the preceding volume, Part I of this bulletin. The descriptions have been compiled from the notebooks of the persons who collected the samples, have been condensed from accounts given in published reports of the United States Geological Survey, or have furnished by the collection themselves. Inasmuch as the descriptions represent the work of many persons during a period of six years, and inasmuch as they were recorded under widely differing conditions, they necessarily vary in fullness detail."
Date: 1913
Creator: Lord, N. W.
Object Type: Report
System: The UNT Digital Library

[Line of Soldiers at Camp MacArthur]

Postcard image of uniformed soldiers standing in a curving line, with handwritten text in the lower-left corner: "The Mess Line. Camp MacArthur. Waco, Texas." Rows of large tents are visible to the left of the line and mess hall. Handwritten text addressed to Miss Ethel Reser and postmarked 1918 says: "Are you taking good care of the dogs? How's your lazy dad? This is how your uncle gets his eats. Al"
Date: October 20, 1917
Creator: Mann, Fred
Object Type: Postcard
System: The Portal to Texas History
How to Attract Birds in Northeastern United States (open access)

How to Attract Birds in Northeastern United States

"The means of increasing the number of birds about our homes are few and simple. They comprise adequate protection and the provision of suitable nesting places, food, and water.... This bulletin [recommends] practicable methods of attracting birds about homes [in the northeastern United States]. Especial attention will be given to the value of fruit-bearing shrubs and trees." -- title page. Protection for birds, winter feeding, water supplies, and nesting boxes and birdhouses are also discussed.
Date: 1914
Creator: McAtee, W. L. (Waldo Lee), 1883-1962
Object Type: Pamphlet
System: The UNT Digital Library
How to Attract Birds in the Middle Atlantic States (open access)

How to Attract Birds in the Middle Atlantic States

"For economic as well as for aesthetic reasons an effort should be made to attract and protect birds and to increase their numbers. Where proper measures of this kind have been taken an increase of several fold in the bird population has resulted, with decreased losses from depredations of injurious insects. This bulletin is one of a series intended to describe the best methods of attracting birds in various parts of the United States, especially by providing a food supply and other accessories about the homestead." -- p. 2. This particular bulletin focuses on birds in the Middle Atlantic states of Pennsylvania, New Jersey, Maryland, Delaware, West Virginia, Virginia, and North Carolina.
Date: 1917
Creator: McAtee, W. L. (Waldo Lee), 1883-1962
Object Type: Pamphlet
System: The UNT Digital Library
[Letter from Andrew McClintock to Jeane, December 23, 1914] (open access)

[Letter from Andrew McClintock to Jeane, December 23, 1914]

Letter from Dan to Jeane discussing a Christmas greeting from Dan wishing her a jolly time on Christmas day.
Date: December 23, 1914
Creator: McClintock, Andrew H.
Object Type: Letter
System: The Portal to Texas History
The Control of the Chestnut Bark Disease (open access)

The Control of the Chestnut Bark Disease

Report discussing the spread of the chestnut bark disease, including its causes, symptoms, modes of transmission, financial consequences, and the possible methods of controlling it.
Date: 1911
Creator: Metcalf, Haven, 1875-1940 & Collins, J. Franklin (James Franklin), b. 1863
Object Type: Pamphlet
System: The UNT Digital Library
A Simple Way to Increase Crop Yields: Methods Followed by Farmers of the Coastal Plain Section of the Central Atlantic States in Building Up Soil Fertility (open access)

A Simple Way to Increase Crop Yields: Methods Followed by Farmers of the Coastal Plain Section of the Central Atlantic States in Building Up Soil Fertility

"The soils of the coastal plain section of the Central Atlantic States, as a rule, are light in character, have been farmed for generations, and need first of all a liberal supply of organic matter. This need should be met by growing such legumes as crimson clover, cowpeas, soy beans, red clover, and hairy vetch. Rye, buckwheat, and the grasses are also valuable in this connection. Commercial fertilizer and lime should be used freely when necessary to stimulate the growth of these soil-improving crops. By arranging the cropping system to include one or more legumes that supply the land with nitrogen and humus, crop yields have been greatly increased on many farms scattered throughout this region. The systems followed on a few of the more successful of these farms are described in detail in the following pages." -- p. 2
Date: 1918
Creator: Miller, H. A.
Object Type: Pamphlet
System: The UNT Digital Library
The Coke Industry of the United States as Related to the Foundry (open access)

The Coke Industry of the United States as Related to the Foundry

From Introduction: "The present bulletin, published by the Bureau of Mines because of the analyzing and testing of fuels have been transferred from the Geographical Survey to the Bureau of Mines, briefly reviews the status of the coke industry, some features of practice in the use of coke in the foundry, the probable happenings of a cupola heat, and the reasons for modifying charging practice so that a particular coke can be used to best advantage."
Date: 1910
Creator: Moldenke, Richard
Object Type: Report
System: The UNT Digital Library

[Postcard from the Provost Marshal General of the War Department to Meyer Bodansky - September 23, 1918]

A postcard from the chairman of the Erie, Pennsylvania selective service board to Dr. Meyer Bodansky requesting acknowledgment of his induction into the United States Medical Department.
Date: September 23, 1918
Creator: Moore, H. L.
Object Type: Postcard
System: The Portal to Texas History
A Primer on Explosives for Coal Miners (open access)

A Primer on Explosives for Coal Miners

From Introduction: "Much of the information in this primer has been obtained from experiments conducted by the technologic branch of the United Sates Geological Survey at the mining experiment station at Pittsburgh, Pa. These investigations have shown the recent development of a new type of short-flame explosives, which can be used with greater safety than black powder in mines where there is dangerous gas or inflammable dust, because the flame from the explosion of black powder lasts from 2,500 to 3,500 times as long does the flame from these newer explosives and is therefore more likely to ignite the gas or dust in such mines."
Date: 1911
Creator: Munroe, Charles E. & Hall, Clarence
Object Type: Report
System: The UNT Digital Library
The Wheat Jointworm and Its Control (open access)

The Wheat Jointworm and Its Control

Revised edition. "The wheat jointworm is a very small grub which lives in stems of wheat, sucking the juices of the plant and causing a swelling in the stem. The egg from which it hatches is laid in the stem by an insect resembling a small black ant with wings. This insect attacks no other kind of plant. The injury which it does to wheat is very distinct from that caused by the Hessian fly, yet the depredations of these two insects are often confused by farmers. This paper is intended, therefore, to give a brief outline of the life history and the nature of the injury to the plant by the jointworm so that any farmer may readily recognize its work and be able to apply the measures of control herein recommended." -- p. 3-4
Date: 1918
Creator: Phillips, W. J. (William Jeter), 1879-1972
Object Type: Pamphlet
System: The UNT Digital Library
The Volatile Matter of Coal (open access)

The Volatile Matter of Coal

From Introduction Scope of Report: "This bulletin is a report on an investigation of the volatile matter in several typical coals-its composition and amount at different temperatures of volatilization. As the investigation is still in progress and will doubtless include other coals than those already examined, the bulletin may be considered a preliminary report, stating the problems studied, the methods used, and the results thus far obtained."
Date: 1912
Creator: Porter, Horace C. & Ovitz, F. K.
Object Type: Report
System: The UNT Digital Library
Game Apparatus (open access)

Game Apparatus

Patent for a game that is designed to impart instruction or information according to subject or topic desired.
Date: November 22, 1910
Creator: Prickett, Clinton E. & Cool, Roy D.
Object Type: Patent
System: The Portal to Texas History
The Flow of Heat Through Furnace Walls (open access)

The Flow of Heat Through Furnace Walls

From Introduction: "This bulletin contains a statement of certain results that will be embodied in a report describing investigations of the combustion of fuel made by the United States Geological Survey and the Bureau of Mines in a specially constructed long furnace."
Date: 1911
Creator: Ray, Walter T. & Kreisinger, Henry
Object Type: Report
System: The UNT Digital Library
International Conference of Mine-Experiment Stations: Pittsburgh, Pennsylvania, U.S.A., September 14-21, 1912. (open access)

International Conference of Mine-Experiment Stations: Pittsburgh, Pennsylvania, U.S.A., September 14-21, 1912.

Report discussing an international conference on mine-experiment stations assembling in Pittsburgh, Pennsylvania. The United States sent invitations to countries that had mine-experiment stations, Great Britain and Canada were the only countries, that did not accept invitation.
Date: 1914
Creator: Rice, George S.
Object Type: Report
System: The UNT Digital Library
Oil and Gas Wells through Workable Coal Beds: Papers and Discussions (open access)

Oil and Gas Wells through Workable Coal Beds: Papers and Discussions

From Preface: "In carrying out such a policy with reference to the subject under consideration, the Bureau of Mines invited the State geologists, mine inspectors, and a number of coal operators and oil and gas well drillers from the States interested to meet representatives of the Bureau of Mines in Pittsburgh, Pa., for a discussion of the subject during February 7 and February 8, 1913. This adjourned meeting of the conference will be held at an early date and its report will be printed in a later edition of this bulletin, with such additional suggestions as may be received by the Bureau of Mines. The bureau will be glad, therefore, to receive at the earliest practicable date any additional suggestions or any additional information throwing light on the matters discussed in this bulletin."
Date: 1913
Creator: Rice, George S. & Hood, O. P.
Object Type: Report
System: The UNT Digital Library
Methods of Preventing and Limiting Explosions in Coal Mines (open access)

Methods of Preventing and Limiting Explosions in Coal Mines

Technical paper issued by the Bureau of Mines over safety prevention in coal mines. Preventing mine explosions is emphasized. Methods used in mine safety are discussed. This paper includes tables, illustrations, and photographs.
Date: April 1915
Creator: Rice, George S. & Jones, L. M.
Object Type: Report
System: The UNT Digital Library