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An inquiry into naval tactics by John Clerk Eldin

By John Clerk Eldin

The 18th century was once a wealth of data, exploration and speedily starting to be know-how and increasing record-keeping made attainable via advances within the printing press. In its decision to maintain the century of revolution, Gale initiated a revolution of its personal: digitization of epic proportions to maintain those helpful works within the greatest archive of its sort. Now for the 1st time those high quality electronic copies of unique 18th century manuscripts come in print, making them hugely available to libraries, undergraduate scholars, and self reliant scholars.
Medical conception and perform of the 1700s built swiftly, as is evidenced by way of the vast assortment, along with descriptions of ailments, their stipulations, and coverings. Books on technology and expertise, agriculture, army expertise, common philosophy, even cookbooks, are all contained here.
The lower than information was once compiled from quite a few identity fields within the bibliographic list of this identify. this knowledge is supplied as an extra device in assisting to insure version identification:
British Library


A privately revealed textual content of the 1st a part of Clerk's 'Essay on naval tactics'.

[Edinburgh, 1782]. [2],62p.,plates ; four°

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U n d e r one categofy fall those c o m p o u n d s which cause pyknosis of chromosomes or detachment of nucleic acid from the protein thread, and in the other are included compounds which maintain the chromosome structure intact. In a fixing chemical, therefore, lethality must not be associated with pyknosis of chromosomes or the dissolution of the nucleic acid from the protein thread. The structural integrity of the chromosome must be maintained intact. Precipitation of the chromatin matter is essential to render the chromosome visible and to increase its basophilic nature in staining.

During the primary effect, the entire molecule combines with the amino groups of proteins. In the secondary phase, the compound formed undergoes oxidation, during which the residual part of osmium tetroxide is reduced to a lower oxide or hydroxide. Due to this, the tissue fixed in osmium tetroxide turns black. Criegee (1936) attributed blackening to the oxidation of double bonds between adjacent c a r b o n a t o m s (cf. Wigglesworth, 1957). Bahr (1955) obtained positive reaction of osmium tetroxide with several amino acids and noted that the reaction of amines is directly proportional to chain length, whereas aldehydes and ketones are reactive only in long chains.

It has a narcotising action and is used as an anaesthetic. It is slowly converted into highly poisonous carbonyl chloride in the presence of air and light. It is a good solvent for fatty substances, a property which has been advantageously used in fixation. In the study of plant chromosomes, chloroform is generally used in the fixative to dissolve the fatty and waxy secretions from the upper surface, facilitating the penetration of the fixative. In the study of chromosomes from animal tissues, chloroform is frequently used to dissolve the fats which are present as accessories in the desired tissue.

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