| Stand, | £3 12 0 |
| Iris Diaphragm to stage, | £0 10 0 |
| Double Nose Piece, | £0 15 0 |
| ⅔ in. (16 mm.) objective, | £0 18 0 |
| ⅙ inch (4 mm.) | £1 12 0 |
| 2 Eyepieces. Nos. II. and IV | £0 10 0 |
| Total, | £7 17 0 |
No. J O 6066.
Society of arts microscope.
With ¼ in. divisible objective, dividing to ½ in. and 1 in., condenser, life cage and forceps, in mahogany cabinet, with lock and key, 65/0
No. J O 6064.
Students’ Microscope, with rack adjustment, divisible ¼ in. objective, condenser, rotating diaphragm, fitted on Stand with Trunnion Joint, in case, 32/6
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OPERA GLASSES.
No. J O 6068. “Duchess” Opera Glass fitted with six good quality lenses, Morocco covered body.
| Diam. of Object Glass, | 1 in. | 1¼ in. | 1½ in. | 1¾ in. |
| 6/6 | 8/0 | 10/6 | 12/6 | |
| Do., Best Quality, | 9/6 | 13/0 | 14/6 | 20/0 |