Permanent
A Military Dictionary · 1810 · p. 33
Fortification, is defined to be the art of fortifying towns, . so as to resist the attacks of an enemy, that makes regular approaches.
Bu kavram başka kaynaklarda da geçiyor
A French-English Dictionary for Chemists (1921)
French-English Dictionary of Military Terms (1918)
A Law Dictionary (1910)
Chamber's Twientieth Century Dictionary (1908)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
Smith's Financial Dictionary (1903)
The Student's Medical Dictionary (1896)
Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
Magnetism Sub-permanent
—
The Standart Electrical Dictionary (1892)
Fortification, Semi-permanent
—
A Military Dictionary and Gazetteer (1881)
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