The microscopist : a manual of microscopy and compendium of the microscopic science : micro-minerology, micro-chemistry, biology, histology, and pathological histology / by J.H. Wythe.

Joseph Henry Wythe

Date:: 1877

Credit: The microscopist : a manual of microscopy and compendium of the microscopic science : micro-minerology, micro-chemistry, biology, histology, and pathological histology / by J.H. Wythe. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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$Dissolve the ferrocyaiiide in 1 ounce of water and glyc- erin, and the muriated tincture of iron in another ounce. Add the latter very gradually to the other, shaking often; then gradually add the alcohol and water. BcaWs Finest Blue Price's glj'cerin, . . Tincture of perchloride of iron, Ferrocyanide of potassium, Strong hydrochloric acid,. Water, 2 ounces. 10 drops. 3 grains. 3 drops. 1 ounce. Mix the tincture of iron with 1 ounce glycerin and the ferrocyanide, after dissolving in a little water, with the other ounce. Add the iron to the other solution gradu- ally, shaking well. Lastly, add the water and hydro- chloric acid. Sometimes about 2 drachms of alcohol are added. 3Iiiller's Blue.—This is made by precipitation of soluble Prussian blue from a concentrated solution by means of 90 per cent, alcohol. Beale's Carmine.—]\Iix 5 grains of carmine with a few drops of water, and when well incorporated, add 5 or 6 drops of liquor ammonia. To this add J ounce of glyc- erin, and shake well. Another J ounce of glycerin con- taining 8 or 10 drops of acetic or hydrochloric acid is gradually added. It is then diluted with | ounce of glyc- erin, 2 drachms of alcohol, and 6 drachms of water. Nitrate of Silver Injection.—For demonstrating the struc- ture of the bloodvessels, the animal is bled, and a solution of 0.25 to 1 per cent, of nitrate of silver, or a mixture of gelatin with such a solution, is used. 5. Preservative Fluids. Canada Balsam.—This is perhaps the most common medium used. When an object is not very transparent, and drying will not injure it, balsam will do very well,$