Be very careful using a glass thermometer to check an axillary temperature on infants … Including Fahrenheit's glass thermometer, there are 4 main types of thermometers used to take air temperatures: Liquid-in-glass. Rectal Temperature. If you do not have a thermometer. Usually, body temperatures above a normal range of 36 °C to 38 °C may be cause for concern. Use a thermometer with a stubby tip. Other thermometers. Do not use an alcohol swab before reading the temperature reading. - Remove the probe cover and/or wipe the thermometer with a dry tissue from stem to bulb. This can help ascertain whether the patient has a fever, which may connote sickness. The liquid in glass thermometer has a glass bulb attached to a sealed glass tube (also called the stem or capillary tube). Laboratory. Touch your chest and back. The liquid in glass thermometer, is the most commonly used device to measure temperature and it is inexpensive to make and easy to use. A very thin opening, called a bore, exists from the bulb and extends down the centre of the tube. You can often still tell if you have a high temperature even if you do not have a thermometer. Also called bulb thermometers , these basic thermometers are still used in Stevenson Screen weather stations nationwide by National Weather Service Cooperative Weather Observers when taking the daily maximum and minimum temperature observations. Glass thermometers with red or blue alcohol inside may also be used for axillary temperatures. Do not use a glass thermometer or a forehead strip. The following are general guidelines for most of the mercury glass thermometers: - Standard precautions like washing hands and wearing gloves if appropriate. Glass thermometers can be dangerous and forehead strips are not accurate. - Handle with care to prevent thermometer from chipping or breaking. If they feel hotter than usual, you may have a high temperature. If using a glass thermometer (not recommended), it may take a little longer to get a correct temperature. A simple, fairly accurate thermometer, today it is mostly used as decoration. Replacing a glass thermometer with a digital one is far safer. Glass thermometers are considered to be a quick and effective way of measuring … Glass thermometers with galinstan (GAL-in-stan) may also be used to check an axillary temperature. Clinical glass thermometers are sometimes used in medical environments to get a temperature reading of a patient. Glass thermometers are not ideal due to risk of breakage and of course poisonous mercury is no longer used. The Galileo thermometer consists of a sealed glass tube that is filled with water and several floating bubbles. Remember: You are placing a piece of glass in your child's body. This type of thermometer is less likely to tear the skin (tissue) inside the rectum (Picture 1). Never leave your child alone while taking his temperature. Galinstan thermometers have a silver colored line, but will be marked "mercury-free" when you buy one. The bubbles are glass spheres filled with a colored liquid mixture. This liquid mixture may contain alcohol, or it might simply be water with food coloring.