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Repeated object lessons have demonstrated that nearly all progress in science has resulted in important advances in industry

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G-E Research Laboratory

Scheneclady, N. Y.

Among the many products developed by the General
Electric Company's research laboratories which are of
interest to manufacturers are the following:

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For further information address Supply Department, Schenectady Office.

General Electric

Company

General Office
Schenectady, N.Y.

Sales Offices in all large cities

35B-48

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Electric Wassermann Unit, for both incubation and inactivation. The upper compartment A operates at 56° C for inactivation, and the lower compartment C at 37/2° C for incubation, both connections being to the same cord and plug. Each compartment is supplied with independent C. S. & E. regulator and heating unit. A small paraffine bath B with inset D is supplied for use in the inactivating chamber A as in the method of the U. S. Army Medical School. One thermometer can be inserted directly into the paraffine. The inside dimensions of the incubating chamber are 15 x 12 x 10 inches and of the inactivating_compartment 12 x 9 x 9 inches. The incubating chamber C takes eight Wassermann racks E and the outfit is regularly furnished with three thermometers, paraffine bath B with removable tray D, and eight Wassermann racks E as shown in illustration. The outfit can be used on either 110 or 220 volts by simply changing a plug. 21224. Electric Wassermann Unit, as above described, with paraffine bath B with inset D, eight Wassermann racks, three thermometers, cord and plug...

$133.80 21226. Ditto, but without paraffine bath B or Wassermann racks E; with three thermometers, cord and plug

99.00 21228. Paraffine Bath for inactivations, consisting of bath B and removable inset D. 12.40 48014. Wassermann Racks E, for 100 X 13 mm test tubes....

..each 2.80 Prices subject to change without notice

ARTHUR H. THOMAS COMPANY

WHOLESALE, RETAIL AND EXPORT MERCHANTS LABORATORY APPARATUS AND REAGENTS WEST WASHINGTON SQUARE

PHILADELPHIA, U. S. A.

SCIENCE

FRIDAY, FEBRUARY 11, 1921

DINNER IN HONOR OF DR. KEEN

On January 20, 1921, a dinner was tendered CONTENTS

to Dr. William Williams Keen, the eminent

Philadelphia surgeon, at the Bellevue StratDinner in Honor of Dr. Keen: DR. JOHN H.

ford Hotel, in Philadelphia, in celebration of JOPSON

123

his eighty-fourth birthday. Dr. Keen had Address: Dr. W. W. KEEN

124 recently returned from Europe, whither he

had gone in the summer of 1920, to preside at The Relation of Mendelism and the Mutation the meeting in Paris, of the Société Inter

Theory to Natural Selection: PROFESSOR nationale de Chirurgie, of which he had been C. C. NUTTING

129

elected president in 1914, and the meetings of

which had been of necessity suspended during Scientific Events :

the war. Everywhere abroad he had been reProfessor Calmette on a Vaccine for Tuber

ceived with honors befitting his position as culosis; Awards of the Paris Academy of

President of this Society, and as the leader Sciences; The University of London's

and dean of American surgery. It was Physiological Laboratory; Popular Lectures on Scientific Subjects at the California

thought an appropriate time for the friends Academy of Sciences

131

and admirers of Dr. Keen in this country, to

show their appreciation of his many achieveScientific Notes and News

134 ments as physician, scientist, educator, man

of letters, and patriotic American. The University and Educational News

137

occasion proved to be one of the most re

markable tributes ever tendered a private Discussion and Correspondence :

citizen in Philadelphia. Between five and six Thrice-told Tales: DR. T. C. MENDENHALL, hundred subscribers, representing all parts of DR. JONATHAN WRIGHT. Reply to Professor

the country, and all of the learned professions, Horn: PROFESSOR FLORIAN CAJORI. A Cor.

and the fields of diplomacy, industry, finance, rection: DR. DAVID WILBUR HORN. Memoir of G. K. Gilbert: PROFESSOR W. M. Davis. 137

and the public services, joined in honoring

Dr. Keen. Quotations :

The presiding officer and toastmaster was The Printing of Astronomical Observations. 140

his close friend and colleague, Dr. George E.

deSchweinitz, professor of ophthalmology in Special Articles :

the University of Pennsylvania, and like Dr. On the Stability of the Acid-base Equi- Keen, a former president of the College of librium of the Blood in Normal and in

Physicians of Philadelphia, the premier medNaturally Nephropathic Animals : PRO

ical society of the United States. The speakFESSOR WILLIAM B. MONIDER

ers, who dwelt on various phases of the activiThe American Chemical Society: DR. CHARLES

ties of Dr. Keen's long and busy life, had all L. PARSONS

been closely associated with him in one or 143

more of these fields of work. The list inMSS. intended for publication and books, etc., intended for

cluded the following gentlemen: Dr. J. Chalreview should be sent to The Editor of Science, Garrison-on

mers DaCosta, his one-time assistant, now Hudson, N. Y.

Gross professor of surgery, in the Jeffer

141

son Medical College, in which chair he had realized how far short I had come of these succeeded Dr. Keen on the retirement of the fine ideals. I lay no claim to superlative virlatter from active teaching. Dr. William H. tues. I am only a loyal American, who, to the P. Faunce, president of Brown University, of best of his ability, has tried to do his daily which institution Dr. Keen is an alumnus, duty to his fellowmen, his dear country and and of which he has been for many years a

his God. You have looked on my homely most active trustee. Dr. William H. Welch, merits with more than kindly eyes, and have professor of pathology in Johns Hopkins Uni- regarded my faults and my failings with more versity, and like Keen a strong exponent and than friendly forgetfulness. I thank you defender of the field of experimental investi- again and again from the bottom of my heart. gation in medicine. The Hon. David Jayne This bust, the product of Mr. Murray's Hill, former ambassador to Germany, who skill, I accept for myself and my descendants spoke of the interest and efforts of Dr. Keen with special pleasure from you, Dr. Taylor, 80 in the large problems of civic and national long my able assistant, later my colleague and welfare, and of his sturdy Americanism. always my dear friend. It is the visible eviThe many letters of congratulation to the dence of that precious, imponderable, yet all guest of the evening had been collected and powerful force—the affection of many friends. bound in three volumes, and these were pre

What shall I say through you, General sented by Major General M. W. Ireland, sur- Ireland, my distinguished pupil, to the writers geon general of the United States Army, who of these many letters in three stately volumes. detailed Dr. Keen's connection with the Med- They are generous libations poured out on ical Department of the Army, beginning with the altar of Friendship. “Timeo Danaos et his services in the field and in the hospitals dona ferentes” was a valid warning in ancient during the Civil War, and down to, and in- Troy, but my gift-bearing Greeks I welcome cluding the World War, when he held a com- with fearless and profound gratitude. mission as a reserve officer, with the rank of It may be a happy augury that we meet major. A bronze bust, by Samuel Murray, of to-day rather than yesterday, the actual anniDr. Keen in his uniform as an officer of the versary of my birth. By a little stretching Medical Corps, U. S. Army, was presented to of the imagination to-day, I can describe myhim on behalf of the subscribers to the

well along" a phrase with a truthdinner, by Dr. William J. Taylor, president ful indefiniteness—“well along on the way to of the College of Physicians, and for many my 85th birthday," and what is imagination years his private assistant.

for if not to stand by us when we need help? Dr. Keen responded in happy vein, review- To-morrow, in spite of the terrible temptaing the many world changes transpiring dur- tion you have held out to me to do otherwise, ing his long life, with special reference to the I promise you that I shall wear the same revolutionary advances in the sciences, and Stetson hat as heretofore. I hardly can particularly in medicine and surgery, in many call it the companion of my youth, but I do of which he had indeed played a leading part. treasure it as an old acquaintance which still His address is printed below. A reception to

fits well. Dr. Keen followed the dinner.

My manner of life from my youth up has John H. JOPSON

been known to you among whom I have lived

for four score years and four. It is a source PHILADELPHIA, PA.

of sincere gratification to me that, in spite

of all my faults and shortcomings, of which ADDRESS OF DR. KEEN

I am fully conscious, on the whole you seem As I have listened to what I might call to approve of it. “oral photographs" of myself, I assure you When one has reached the altitude of 84, it that it has been with genuine humility, as I is natural that he should turn and scan the

self as

far distant horizon and note the outstanding matter, our attitudes were miles apart. He features of his long journey. A brief men- was obsessed as to the removal of the deposits tion of a few of the more striking events of the United States Treasury from that which have occurred during my long life may, stately building at 4th and Chestnut Streets, therefore, prove of some interest.

while I well recall how utterly indifferent I My ancestor, Jöran Kyn (George Keen), felt about that exciting subject. But I made following the Mayflower pilgrims only 23 the air vibrant if my daily ration was too long years later, left Sweden in the retinue of delayed. John Printz, the first Governor of New Long since, I gave up the rather opproSweden, and reached the Delaware River in brious phrase "Old Age” and have substi1643. He founded the nearby city of Chester. tuted for it the more seductive locution

acWe, his descendants, I think may fairly claim cumulated years.” The latter connotes a corto be truly Americans.

tain joy in continued acquisition, a sort of During my lifetime, the United States has pride in adding one annual sparkling jewel (observe not have but has) grown from a after another to an already precious store. small and isolated nation of only sixteen I was asked recently how it was that I had millions in 1837 to a nation rapidly approach- managed to accumulate so many years, to ing one hundred and sixteen millions. We which I promptly replied, “Nothing is simpler have also spread from the Alleghanies to the - don't stop. Just keep right along." Mix Pacific. Instead of being isolated, we are merry laughter with earnest labor. Always bound to all the world by a splendid devotion have some as yet unfinished, but not too urgent to Liberty and Law. What a free Democracy job waiting just outside your door. Then you can do, even across 3,000 miles of boisterous will never know ennui. To “kill time” is water, to aid in crushing a tyranny which murder in the first degree. threatened to engulf the whole world, is the William Dean Howells, one of the privimost splendid episode in our entire national leged few who spell their names in the plural history.

because they are such multiplied personalities, Yet how short our life as a nation is may in his delightful essay on "Eighty Years and be better appreciated when compared with the After," first pays his respects to several nonalife of a single citizen. From the date of my genarians. He then turns upon those of us birth, January 19, 1837, back to July 4, 1776, who have accumulated ten fewer years (he is only 61 years and a half. From that same actually being also one of us) and says, “ As date to yesterday is 84 years!

to the Octogenarians, there is no end of them; One man links me to the first Napoleon, they swarm, they get in one's way." for, in 1862, I assisted the elder Gross in an I humbly crave pardon of any of you if I operation on a Frenchman for a wound re- occupy a place in the sun to which you have ceived in the Russian campaign of 1812. a better right than I. Ultimately, no doubt, One woman, my maternal grandmother Budd, I shall get out of your way, but do not overlinks me even with Washington himself. She look the fact of my maliciously good health, often related to me how he used to caress her and that a collateral forbear reached the as a young girl, when seeking food and forage mature age of 106. The prospect, therefore, from my great-grandfather's farm just across of speedy relief, I regret to say, seems rather the ridge from Valley Forge in that fearful discouraging. I commend to you the phiwinter of 1777.

losophy of life of the woman who, when asked The first six-weeks of my life were spent by her minister what passage of Scripture during the reign of that sturdy old patriot, gave her the greatest comfort, promptly reAndrew Jackson. He and I had at least one plied, “Grin and bear it’ helps me most.” thing in common—we were profoundly igno- The development of industry, of commerce rant of each other's existence. In another and of the material things which minister to

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