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Advertising Brochure: Baker 22-40, Nebraska Tractor Test Lab Jan 1929

Advertising Brochure: Baker 22-40, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 156: Mccormick Deering 15-30, Nebraska Tractor Test Lab Jan 1929

Test 156: Mccormick Deering 15-30, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 157: Rock Island G-2, 15-25, Nebraska Tractor Test Lab Jan 1929

Test 157: Rock Island G-2, 15-25, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 155: Case Model L 26-40, Nebraska Tractor Test Lab Jan 1929

Test 155: Case Model L 26-40, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 157: Rock Island Model G2 15-25 (Distillate), Nebraska Tractor Test Lab Jan 1929

Test 157: Rock Island Model G2 15-25 (Distillate), Nebraska Tractor Test Lab

Nebraska Tractor Tests

All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.

All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.

Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …


Test 158: Rock Island Model G2 18-30 (Gasoline), Nebraska Tractor Test Lab Jan 1929

Test 158: Rock Island Model G2 18-30 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.

All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.

Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …


Test 160: Caterpiller Model 10 10-15, Nebraska Tractor Test Lab Jan 1929

Test 160: Caterpiller Model 10 10-15, Nebraska Tractor Test Lab

Nebraska Tractor Tests

All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.

All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.

Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …


Test 167: Case Model C 17-27, Nebraska Tractor Test Lab Jan 1929

Test 167: Case Model C 17-27, Nebraska Tractor Test Lab

Nebraska Tractor Tests

All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.

All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.

Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …


Scholasticism An Intellectual Basis And Unifying Principle Of Modern Science, Alice V. Johnson Jan 1929

Scholasticism An Intellectual Basis And Unifying Principle Of Modern Science, Alice V. Johnson

Electronic Theses and Dissertations

No abstract provided.


Elutriation Of Flotation Products, Guenther Walter Frotscher Jan 1929

Elutriation Of Flotation Products, Guenther Walter Frotscher

Masters Theses

"Since the first application of the flotation process in ore dressing practice, engineers have been busy solving the most delicate relations of metal distribution in the minerals to be treated...The desire for more information was the reason for research concerning the mineral distribution in fine flotation material with particular attention to the development of a suitable laboratory method of hydraulic classification or, as it is especially called, elutriation"--Introduction, page 1-4.


Symmetric Functions Of N-Ic Residues (Mod P), T. A. Pierce Jan 1929

Symmetric Functions Of N-Ic Residues (Mod P), T. A. Pierce

Department of Mathematics: Faculty Publications

If p be an odd prime, q is said to be an n- ic residue of p if the congruence xn = q (mod p) has solutions; otherwise q is an n-ic non-residue of p. A necessary and sufficient condition that q be an n-ic residue of p is that
(1) q (p- 1)/δ ≡ 1, (mod p),
where δ = g.c.d. (p - 1, n). The numberf of n-ic residues of a given prime p is (p-1)/δ.
It is with the symmetric functions of these …


Thomas Chrowder Chamberlin's Contribu-Tions To Glacial Geology, William C. Alden Jan 1929

Thomas Chrowder Chamberlin's Contribu-Tions To Glacial Geology, William C. Alden

United States Geological Survey: Staff Publications

So prominent did Thomas Chrowder Chamberlin become in the field of glacial geology that it is a matter of some interest and importance to consider what was the status of the science at the time he turned his attention, as a student and a teacher, to it. So voluminous is the literature of this subject that it is obvious that one cannot in a sketch of this kind give even a general summary of the many books and papers on the subject published in this country, even were it desirable to do so. The intention is to indicate only what …


Reaction Of Metallic Iron And Copper Sulphate In The Flotation Of Sphalerite, Charles Wilson Ambler Jan 1929

Reaction Of Metallic Iron And Copper Sulphate In The Flotation Of Sphalerite, Charles Wilson Ambler

Masters Theses

"Copper sulphate is a common flotation reagent for blende ores. Metallic iron is also present in the mill circuit and a reaction between the iron and the salt would be in accord with well known chemistry. The abundance of metallic iron in a flotation feed may be noted by the examination of any feed. It originates, first of all, in the mine, then the coarse crushing machines contribute their share, and finally the fine grinding medium is a large contributor. If the grinding is with cast iron balls in amount of metallics is greater than when steel is used. In …


A Study Of The Basal Cherokee In The Rolla Area, Thomas Daniel Murphy Jan 1929

A Study Of The Basal Cherokee In The Rolla Area, Thomas Daniel Murphy

Masters Theses

"The occurrence of outliers of Pennsylvanian age, probably Cherokee, in and about Rolla has long been known. The Bureau of Geology and Mines and the Department of Geology of the School of Mines at Rolla have been greatly interested in the many stratigraphic problems presents. The writer has, therefore, undertaken field and laboratory studies of certain of these problems"--Introduction, page [1].


A Study Of Crime And Criminal Statistics Of Phelps County, State Of Missouri, For The Period 1899-1929, Walter Llyn Bradford Jan 1929

A Study Of Crime And Criminal Statistics Of Phelps County, State Of Missouri, For The Period 1899-1929, Walter Llyn Bradford

Masters Theses

"It is only within very recent years that the study of Human Society has been undertaken in a really scientific manner. It is true that the social problems have been studied and ideas suggested and discussed for their solution since the very beginning of social organization, for nowhere has there been found a state of society so perfect that all members are completely satisfied with their well-being under it...The study of crime is a part of the science of sociology and must be made according to the same methods as apply to all other kinds of social phenomena"--Introduction, page 1-3.


A Study Of Ball Mills, Robert Lee Kidd Jan 1929

A Study Of Ball Mills, Robert Lee Kidd

Masters Theses

"The study of the ball mill is very complicated, due to the varying conditions existing in the mill. Some of these conditions are: Size of grinding media, size of feed, moisture content, and speed with its effect on the paths of the grinding media. A brief history of fine grinding will first be outlines, after which some of the theories of ball milling will be stated. Then the paths of the grinding media will be given some attention, and a new point of view about the trajectory will be brought out"--Introduction, page 2.


Roster And Records Of Secretary: 1903-1929, Iowa Academy Of Science Jan 1929

Roster And Records Of Secretary: 1903-1929, Iowa Academy Of Science

Iowa Academy of Science Documents

Meeting minutes, conference programs, and more from the Iowa Academy of Science during the years 1903-1929.


Anhydrous Alcohol And The Vapor Phase Method Of Preparing It, Cleetis Brown Jan 1929

Anhydrous Alcohol And The Vapor Phase Method Of Preparing It, Cleetis Brown

University of the Pacific Theses and Dissertations

Since the almost universal laboratory method of preparing absolute alcohol requires considerable time and trouble, gives a low yield of alcohol and leaves a distilling flask badly clogged with hydrated lime, Professor S.S, Kistler and I undertook the following research in the hope that we might devise a new method that would be both rapid and easy to perform.

Upon reviewing the possibilities, it seemed evident that any method to be rapid would have to involve drying In the vapor phase. Diffusion in a liquid being so slow that when a drying agent is placed in the liquid phase an …


The Monadnock Volume 3, Number 1, December 1928, Clark University Geographical Society Dec 1928

The Monadnock Volume 3, Number 1, December 1928, Clark University Geographical Society

The Monadnock (Clark Geographical Society)

Volume 3, Issue 1 of The Monadnock. The Monadnock was the alumni magazine of the Clark University Geographical Society (1927-1985) (2014-present).


Theories Of Color And Color Vision, M. Regina Wallesch Aug 1928

Theories Of Color And Color Vision, M. Regina Wallesch

Bachelors’ Theses

Theories of color have occupied the human mind since an early date even to the present. According to Professor Frank Allen there are from sixty to seventy different theories. Plato considered color to be due to flame-like particles projected from the pores of matter into the eye. Aristotle thought colors arose from various combinations of white and black.


Geological Report Of Summer Field Trip 1928, Clarence A. Corry, Marcus Mccanna Jul 1928

Geological Report Of Summer Field Trip 1928, Clarence A. Corry, Marcus Mccanna

Bachelors Theses and Reports, 1928 - 1970

The object of this trip and report was to familiarize the students of the Montana State School of Mines with methods of taking and mapping surface and undergound geology. All surface geology was mapped by means of plane table and alidade, and undergound work by means of Brunton compass and taps.

The senior class of the Montana State School of MInes under the supervision of Dr. E.S. Perry performed the work, which covered an area in Madison County including South Boulder Creek, near Jefferson Island, the Silver Star Mining District, and the Alameda Mine, near Virginia City.


The Monadnock Volume 2, Number 3, July 1928, Clark University Geographical Society Jul 1928

The Monadnock Volume 2, Number 3, July 1928, Clark University Geographical Society

The Monadnock (Clark Geographical Society)

Volume 2, Issue 3 of The Monadnock. The Monadnock was the alumni magazine of the Clark University Geographical Society (1927-1985) (2014-present).


The Sensitivity Of The Ortho-Tolidine Test For Free Chlorine In Milk Serum, Estelle Downer Jun 1928

The Sensitivity Of The Ortho-Tolidine Test For Free Chlorine In Milk Serum, Estelle Downer

Bachelors’ Theses

In the Journal of Industrial and Engineering Chemistry for November, 1913, J.W. Ellms and S.J. Hauser introduced the ortho-tolidine test for the detection of minute quantities of free chlorine in water. Antecedant to the experimentation of the above men with ortho-tolidine, the starch-iodide test ·was universally used for the· detection of free chlorine. In this test, the chlorine is calculated by liberating iodine from potassium iodide by the available chlorine, and the iodine being titrated with sodium thio sulfate. starch solution is used as the indicator. However, this particular method offers difficulties in the presence of minute quantities of chlorine …


A Study Of The Electric Current Rectifying Properties Of Metallic Salts In Contact With Metals, Simon Sander Share Jun 1928

A Study Of The Electric Current Rectifying Properties Of Metallic Salts In Contact With Metals, Simon Sander Share

Bachelors’ Theses

The property of offering greater electrical resistance to a current when flowing in one direction than when flowing in the opposite direction possessed by some metallic salts in contact under pressure with certain metals is of interest both from a purely scientific viewpoint and from a commercial viewpoint. The phenomenon is of interest to the scientist because it has not yet been properly explained and because a suitable explanation might lead to a better understanding of what actually occurs at the contact surfaces of a metal and a salt and also of the condition of metallic surfaces. The property has …


Graphical Calculation And Computation, Alice Hudson Vallier Jun 1928

Graphical Calculation And Computation, Alice Hudson Vallier

Bachelors’ Theses

The word ’’graph” has lately become a part of the active vocabulary of the ordinarily educated person of today. We may say lately because even fifty years ago the use of the graph to represent data was limited to the knowledge of a few theorizing mathematicians and the miscellaneous disorganized usage of some practical mechanics, engineers, business men and statisticians. The situation is not that fifty years ago the rudiments of graphing were not identical with the bases of graphing data today, at least by such simple methods as are commonly employed in periodicals and newspapers for the enlightenment of …


A Study Of The Temperature Behavior Of Various Liquids When Subjected To Pressures Ranging Between One And One Hundred Pounds Absolute, Jerome John Van De Kamp Jun 1928

A Study Of The Temperature Behavior Of Various Liquids When Subjected To Pressures Ranging Between One And One Hundred Pounds Absolute, Jerome John Van De Kamp

Bachelors’ Theses

This thesis is submitted as a partial requirement for the degree of bachelor of science. The problem is one which dates back as far as the science which claims its authorship. It is a problem of which very little is known and one is justified in calling this old problem a youthful one, youthful, of course, in the sense that it is immature and as yet undeveloped. The problem by the very fact that it is in its infancy makes it one of Infinite length. It is a problem which has no greater practical application. Its ultimate value extends into …


Solubility Of Different Waxes In Various Solvents, Sol Leslie Spracker Jun 1928

Solubility Of Different Waxes In Various Solvents, Sol Leslie Spracker

Bachelors’ Theses

The waxes are esters formed by the union of fatty acids and alcohols not belonging to the glycerol series. Hence waxes are sharply distinguished from fats in that they contain no glycerol; they have howe er, many properties in common with true glycerides (fats); thus they can be saponified with alkalies, the salts of fatty acids and alcohols being obtained.


The Theory Of Limits, Molly E. Davis Jun 1928

The Theory Of Limits, Molly E. Davis

Bachelors’ Theses

The theory of limits is among the most important theories in mathematics as mensuration of curves, and surfaces, the treatment of series and the foundation of calculus rest upon this theory.


The Aurora Borealis, Magdalen Kramschuster Jun 1928

The Aurora Borealis, Magdalen Kramschuster

Bachelors’ Theses

The Indians wondered if their beloved aurora would return. They watched and philosophized about the dawn, the twilight, the stars and all the phenomena of the heavens. They pondered the mysteries of lightening and thunder. Peoples down through the ages have written poetry about the mighty thunderhead and the lacy cirrus clouds. One by one these mysteries have been solved, but one still remains--the Aurora Polaris. Advances have been made in scientific fields so that we no longer worry whether or not the next day will come. Thunder, to us, is not the voice of an angry god. Rapid strides …


The Study Of The Curves Of Equations Having The Type Form Of Y=XN, Frank Kohn Jun 1928

The Study Of The Curves Of Equations Having The Type Form Of Y=XN, Frank Kohn

Bachelors’ Theses

The purpose of this thesis is to investigate those properties of curves having the general type form of y = xn that will enable us to determine the graph of a particular curve of this type. The investigations will not only determine the graph as it appears in the finite region of the curve but its appearance in infinite regions as well.