Fig. 202. Fig. 203. The screw thread for small bolts is represented by thick and thin lines, such as was shown in Figure 152, but in larger sizes; the angles of the thread also are drawn in, as in Figure 202, and the method of doing ... Read more of Screw Threads And Spirals at How to Draw.caInformational Site Network Informational


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Prussic Acid

Almost hopeless. Emetic; artificial respiration. ...

To Prevent Cholera

_Camphor_ (_pellets medicated_ with the pure tincture) _Verat...

Classification Of Cardiac Disturbances

For the sake of discussing the therapy of cardiac disturban...

Scarlet-fever Or Scarlatina

is an eruptive fever, produced by a peculiar contagious poiso...

Theory Of Man

Let the question now be raised--What is man? The answer will ...

The Surgical Dissection Of The Male Bladder And Urethra Lateral And Bilateral Lithotomy Compared

Having examined the surgical relations of the bladder and adj...

Children's Swellings

Sometimes these occur as merely relaxed tissue full of blood. ...

Foreign Bodies In The Bronchi For Prolonged Periods

The sojourn of an inorganic foreign body in the bronchus for ...

A Collection Of Gallbladders

Gallbladder cases are rather ho-hum to me; they are quick to ...

Eyes Hazy Sight

Frequently, after inflammation, and even when that has ceased,...

Paroxysmal Tachycardia

This condition is generally termed by the patient a "palpitat...

Burns Case Xxxiii

A little girl, aged 10, scalded her breast a week ago and has...

Extraction Of Open Safety-pins From The Esophagus

An open safety pin with the point down offers no particular ...

Prognosis And Convalescence

The duration of acute endocarditis varies greatly; it may be ...

Punctures Case Iv

The present case is somewhat more severe than those which hav...

Chronic Myocarditis Fibrous

Chronic myocarditis may develop on an acute myocarditis, but ...


Take the A. D. current, medium force, in all forms of the dis...


Some have a predisposition to this most painful disease, and r...

Fever Typhoid

Treat as under Fever, Gastric, and Fever. In addition, great c...

The Need Of Pure Air

Free Air is Pure. As air, in the form of wind, actually sweep...


Source: Papers On Health

Is a most valuable aid to health, acting as a physical and
mental tonic. The sunbath, for either portions of the body at a time,
or for the whole body, will be found very beneficial to nervous
sufferers, and also to those having a tendency to certain skin
diseases. Its tonic effect is very noticeable on the hair, giving it
better growth and richer colour. Sunlight should be admitted freely
into bedrooms and sitting-rooms, for it is hostile to the growth of
many of those microbes which cause disease.

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