Photographic setup used to photograph whole rat tapeworm.
Scanned from a faded Polaroid.

1. Tungsten spotlight.
   (background illumination).
2. Gel filters and holder.
3. Nikon F with 55mm/f 3.5 macro lens.
4. Worm in petri dish supported on two glass rods.
5. Schott KL1500 Tungsten-halogen unit with double
   swan-neck lightguides fitted with condensers.
   (subject illumination).
6. Coloured background paper.
7. Benbo tripod with ball and socket head.

Image: © 1984-2002: Micrographia.