This is a field microscope set consisting of one magnifying lens, one Lieberkuhn, and two dissecting tools. The four devices are mounted on an lignum vitae base. The entire unit can be folded, then screwed into the tubular case. The case is a cardboard tube covered in fish skin. Lens dia=.5mm, f=5mm, appx mag=25x. Lens mount dia-2.0cm.
The silver mount is bolted to the wooden base.
The instruments press onto silver posts. Pointer = 4.3cm, forceps = 4.4cm, Lieberkuhn = 5.3cm, dia=2.2cm.