Part 18

1. Resorcin, gr. xlviij (3 gm.); Glycerin, fʒij (8 c.c.); Alcohol (50 per cent.), f℥ij (60 c.c.).

Rub into the scalp each night.

2. Tincture of cantharides, fʒij (8 c.c.); Tincture of nux vomica, f℥ss (15 c.c.); Tincture of capsicum, fʒj (4 c.c.); Bay rum, f℥ij (60 c.c.). Rub into the scalp at night.

3. Tincture of cantharides, fʒij (8 c.c.); Quinin bisulphate, gr. xx (1.3 gm.); Bay rum, f℥iv (120 c.c.); Rain-water or distilled water, f℥iv (120 c.c.). Rub into the scalp each night.

FOR MATTED HAIR.

Use white vaselin freely each day. Untangle the ends and work gradually toward the scalp.

THERMOMETRY.

In the Fahrenheit scale there are 180 degrees between the melting-point of ice and the boiling-point of water. In the Centigrade scale there are 100 degrees between the freezing and boiling point of water.

RULES FOR CONVERTING ONE SCALE INTO THE OTHER.

To convert Fahrenheit degrees into those of Centigrade: Subtract 32, multiply by 5, and divide by 9. For example:

104° F. - 32° = 72; 72 × ⁵/₉ = 40° C.

To reduce Centigrade degrees into those of Fahrenheit: Multiply by 9, divide by 5, and add 32. For instance:

40° C. × ⁹/₅ = 72 + 32 = 104° F.

TABLE OF THERMOMETRIC EQUIVALENTS.

36° Centigrade 96.8° Fahrenheit. 37° “ 98.6° “ 38° “ 100.2° “ 39° “ 102.2° “ 40° “ 104.0° “ 41° “ 105.8° “ 42° “ 107.6° “

TO CONVERT THERMOMETER READINGS.

A correspondent of the “Lancet” (London) offers a new alternative method of converting degrees Centigrade into degrees Fahrenheit, which may be found easier to perform mentally than the usual method, because the factors can be more easily retained in the memory. This method consists of multiplying the centigrade figures by 2, deducting one-tenth of the product, and adding 32.

Example (a), 30° C.= 86° F. Method: 30 × 2 = 60. 60 - 6 = 54. 54 + 32 = 86.

Example (b), 37° C. = 98.6° F. Method: 37 × 2 = 74. 74 - 7.4 = 66.6. 66.6 + 32 = 98.6.

Example (c), 40° C. = 104° F. Method: 40 × 2 = 80. 80 - 8 = 72. 72 + 32 = 104.

RULES OF TAKING TEMPERATURE.

Per mouth.—Retain thermometer from 1 to 3 minutes. “ rectum “ “ “ 3 “ 5 “ “ axilla “ “ “ 10 “ 15 “ Temperature per rectum is ½° F. higher than per mouth. “ “ axilla is ¹/₁₀° to ³/₁₀° F. lower than per mouth.

TEMPERATURE OF WATER.

Cold signifies a temperature below 65° F. Cool “ “ between 65° F. and 80° F. Tepid “ “ “ 80° “ 90° “ Warm or neutral “ “ 90° “ 100° “ Hot 100° “ above. Very hot or very cold indicates extremes of temperature.

PULSE RATE.

Six to twelve months 105-115. Two to six years 90-105. Seven to ten years 80- 90. Eleven to fourteen years 75- 85. Adults 60- 78.

RESPIRATIONS.

Two months to two years 35 per minute. Two months to six years 23 “ “ Six months to twelve years 20 “ “ Twelve months to fifteen years 18 “ “ Fifteen months to twenty-one years 16-18 “ “