Notes on Architecture, 12 November 1806
23 May-12 Nov. 1806
| [GRAPHIC IN MANUSCRIPT] | 5 : 6 :: 3 | 14. arch bricks to each | |
| 5 ) 18 ( 8: | 14. windows | ||
| 30 | 56 | ||
| 14 | |||
| 196 + 14 key bricks |
these actual measures rendered it necessary to make each arch a semicircle of 15 I. radius in the clear, with a brick arch of 3. I. thick
| order | 100. | key bricks 3 ¾ I. on the inner or thin edge |
| 900. | arch bricks 3. I. on the inner & 3.6 on the outer | |
| 3. I. wide & 9. I. long. |
May 23. 06.
[GRAPHIC IN MANUSCRIPT]
[GRAPHIC IN MANUSCRIPT]
Nov. 12. 06. ordered 24. from Foxhall
wanted for my iron backs & sides from mr Foxhall
5 pr side pieces 10½ I. wide, & of the height of the inner side piece, with pannels arranged to that
———
a truncated column for my bust. Ionic.
the plinth of the base is 21.75 diam. & is fastened to the pedestal.
the projection of the plinth being 11¼ minutes, we have this proportion. 82.5’ : 21.75 I. :: 60’ : 15.8 I. the diam. of the column
the plinth, 10’ high fastened to the pedestal being deducted leaves 20’=5.26 I. for the upper & lower toms & cavetts, the trunk must be
3. diam.=47.4
5.26
2.66 whole height.
| ½ I. | |||||
| 1 | = | .26[. . .] | = | .5266 | |
| 1¼ | = | .3291 | = | .6582 | |
| 2¼ | = | .5924 | = | 1 | .1848 |
| 2½ | = | .6582 | = | 1 | .3172 |
| 3¾ | = | .9873 | = | 1 | .9748 |
| 5. | = | 1.3166 | = | 2 | .633 |
| 7. | = | 1.2433 | = | 3 | .6866 |
| 7¼ | = | 1.9748 | = | 3 | .95 |
| 8½ | = | 2.2381 | = | 4 | .4762 |
| 9. | = | 2.37 | = | 4 | .74 |
| 11¼ | = | 2.9624 | = | 5 | .9248 |
| 23½ | = | 6.1881 | = | 12 | .3762 |
| 41¼ | = | 10.8624 | = | 21 | .7248 |
| 60 | = | 15.8 | = | 31 | .6 |
MHi: Coolidge Collection.

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