Simple Dissecting Microscope No. 58a.
| No. 58a. | Simple Dissecting Microscope, consisting of a wood case with plate glass stage, movable plane mirror, two simple lenses of 4 and 8 times magnification. Price | $2.— |
| No. 58b. | The same with metal hand rests, moveable lens-holder and doublet magnifier No. 71, Price | $3.50 |
Demonstration lens-holder No. 59. Focussing-lens No. 60.
Handle No. 61.
| No. 59. | Demonstration lens-holder, consisting of a hardrubber stage with handle, clamps for holding the preparation in position, and with a moveable lens-holder. Without lens | $2.40 |
| No. 60. | Focussing lens for photographic camera. Lens in spring-sleeve with clamping ring | $4.75 |
| No. 61. | Handle with ring for holding lens | $1.25 |