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| Rolling the marble chips in dry state ... AMS 5022 Horizontal (normal) ... 4 Jul 1956 |
| Rolling the floor after the application of liquid cement to the marble chips ... 5024 ... 4 Jul 1956 |
| Rolling the floor after the application of liquid cement to the marble chips ... AMS 5024 ... 4 Jul 1956 |
| Grinding the floor. Note the difference in color and texture of the square below the column. View of the north end ... north 5028 ... 12 Jul 1956 |
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