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| Rubbing stone
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Stone, also known as floatstone, which smoothes gauged brickwork. |
| Rubble
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Pieces of brick or stone left over after the destruction of an old structure. |
| Rubble masonry
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Masonry structure constructed of irregularly shaped stones. |
| Rubblework
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Masonry, which consists of rough stones that are constructed irregularly. |
| Rug
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Carpet made or cut and bound into room dimensions and loose laid. |
| Rugose
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Rough and wrinkled. |
| Rule
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(1) A regulation. (2) A straight measuring device with distance markings. Also called a ruler. |
| Ruler
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A straight measuring device with distance markings. |
| Run
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Horizontal distance covered by a rafter or staircase. Width of a step. Also refers to the horizontal distance of a roof from the top plate of the wall to the midpoint. |
| Run of the overhang
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The horizontal distance that a rafter overhangs the wall. |
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