No. J O 6043.
Universal Linen Tester, with Microscopic attachment, very powerful, with apertures of various sizes, 9/3.
No. J O 6055.
| Brass | ... | 0/10 |
| Nickel | ... | 1/3 |
| Achromatic Lenses | ... | 2/0 |
No. J O 6046.
Stamp Magnifier, specially recommended for the use of postage stamp collectors. It consists of a solid block of glass, which is placed flat on the postage stamp.
Diameter of lens 1¼ in. 4/6. 1½ in. 5/6
No. J O 6047.
Coddington, in Nickel Case, 3/3, 4/0, 4/9 & 5/9.
