Harold Clarence Ernst

Born 1856-01-01

Died 1922-01-01

Identifiers

Open LibraryOL4273938A

Top Subjects

Early works to 1800 (3)
Optics (2)
Refraction (2)
Microscopes (2)
Microscopy (2)
Natural history (1)
Pre-Linnean works (1)

Books by Harold Clarence Ernst

Total count: 21

Dioptrica nova, A treatise of dioptricksin two parts : wherein the various effects and appearances of spherick glasses, both convex and concave, single and combined, in telescopes and microscopes, together with their usefulness in many concerns of humane life, are explained

Printed for Benj. Tooke1692-01-01
Obseruationes circa viuentia quae in rebus non viuentibus reperiunturcum Micrographia curiosa, siue rerum minutissimarum obseruationibusque ope microscopij recognite ad viuum exprimuntur : his accesserunt aliquot animalium testaceorum icones non antea in lucem editae : omnia curiosorum naturae exploratorum utilitatis & iucunditaci expressa & oblata

Sumptibus Francisci Antonij Galleri & Iosephi S. Germani Corui ...1699-01-01
Dr. Gregory's elements of catoptrics and dioptricsTo which is added, I. A method for finding the foci of all specula as well as lens's universally. As also for magnifying or lessening a given object by a given speculum or lens in any assign'd proportion, &c. II. A solution of those problems which are left undemonstrated. III. A particular account of microscopes and telescopes, from Mr. Huygens. With an introduction shewing the discoveries made by catoptrics and dioptrics

Printed for E. Curll, J. Pemberton, and W. Taylor1715-01-01
[Tuberculosis pamphlets]

1844-01-01
A contribution to the study of the tuberclebacillusRead at the annual meeting of the Massachusetts Medical Society, June 12, 1883

Clapp.1883-01-01
How far may a cow be tuberculous before her milk becomes dangerous as an article of food?

Lea Bros. & Co.1889-01-01
Hearing before the Committee on Public Health on dangers to human life from bacilli of tuberculosis in milkFebruary. 1891. [A report.]

Wright.1891-01-01
Literature

1891-01-01
Index rerumor index of subjects; intended as a manual to aid the student and the professional man in preparing himself for usefulness

Bridgeman and Childs.1891-01-01
Infectiousness of milkresult of investigations made for the trustees of the Massachusetts society for promoting agriculture.

The Society1895-01-01
Progress of medicine 1850-1900An oration delivered before the Norfolk District Medical Society at the celebration of the semi-centennial of its organization May 8, 1900

1900-01-01
Modern Theories of Bacterial Immunity

Publicaton Office of Journal of Medical Research1903-01-01
Animal experimentationDelivered at the meeting of the American Social Science Association

1904-01-01
Statement for remonstrants to house bill 174 to committee on probate and chancery, [to further prevent cruelty to animals]

1904-01-01
Some fermentations in medical education: The Annual Address Delivered Before the Massachusetts ...

s.n1904-01-01
Research work at the Harvard Medical School

1904-01-01
The Harvard Medical School, 1782-1906

s.n.1906-01-01
Louis Pasteur

1908-01-01
Laboratory directionsDepartment of Bacteriology, Harvard Medical School8th ed.

Harvard Medical School, Dept. of Bacteriology1920-01-01
The Harvard bacteriological laboratory
Brief statement of the work done in the Bacteriological Laboratory of the Harvard Medical School since its establishment in 1885Manuscript, typed, dated October 28, 1900