LETTERS—cont.
| Letter | Percentage width in relation to height | Remarks | |
| Standard Alphabet |
“Compressed” Alphabet | ||
| T | 75.00 | 70.00 | A symmetrical letter with vertical ends to the horizontal stroke. |
| U | 75.00 | 70.00 | The lower portion is part of a circle. |
| V | 87.50 | 80.00 | The junction of the two strokes is of stroke width on the base line. |
| W | 120.00 | 105.00 | The junction of the intermediate strokes is pointed and finishes 5 per cent. below the top line. |
| X | 92.50 | 82.50 | The intersection of the strokes is 52.5 per cent above the base line. |
| Y | 85.00 | 80.00 | The junction of the strokes measured at the sides of the letter is 42.5 per cent above the base line. |
| Z | 70.00 | 65.00 | The lower horizontal stroke is slightly longer than the top stroke. |
NUMERALS
| Numeral | Percentage width in relation to height | Remarks |
|---|---|---|
| 1 | 16.66 | The stroke terminates with horizontal lines stroke width. |
| 2 | 67.50 | The upper portion is part of a circle and terminates with a radiating line. |
| 3 | 67.50 | The junction of the two upper strokes is pointed. The lower portion is part of a circle and terminates with a radiating line. |
| 4 | 82.50 | The junction at the top is of stroke width. The junction of the inclined and horizontal strokes is pointed. |
| 5 | 65.00 | The curvilinear portion terminates with a radiating line. The end of the horizontal stroke is finished with a vertical line. |
| 6 | 67.50 | The eye is pointed and in part circular. |
| 7 | 67.50 | The junction of the strokes is pointed. |
| 8 | 65.00 | This numeral is 5-0 per cent. longer than other numerals. The lower portion is larger than the upper. The eyes are pointed and in part ellipse. |
| 9 | 67.50 | The numeral “6” inverted. |
| 10 | 80.00 | Oval in form. |
APPENDIX II
(See paragraph 28)
Extract from the Final Report of the Ministry of Transport Departmental Committee on Street Lighting, August, 1937.
XII.— Guard Posts on Refuges
104. The question of the illumination of guard posts on refuges had been under consideration by the London and Home Counties Traffic Advisory Committee for some time before our appointment, and in 1933 the Departmental Committee on Traffic Signs endorsed certain recommendations which the former Committee had drawn up regarding the dimensions of such posts and the manner in which they should be lighted. It is, however, apparent that regard must be paid to the close relation between this question and that
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