The Garden Guide

Book: Gardening Tools, Equipment and Buildings
Chapter: Chapter 3: Surveying Tools

Preparation tools

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1775. The common characteristic of directive or preparatory instruments is, that they are used in actions preparatory to operations, rather than in operations themselves; and depend on scientific knowledge more than on practical dexterity: this remark will apply also to their construction, which is founded on the doctrines of quantities, gravitation, &c.