Section 5 of 6
The Instruments
The machines, in the order they arrived. A film read by eye, a block that heats and cools, a bundle of fine tubes, and a box that needs no laboratory at all.

Entries in this section
The machines themselves. 4 entries.
- Entry 5.01The autoradiographThe early output was a film, read by eye, and its bands are the image everyone still pictures.
- Entry 5.02The thermal cyclerA block that heats and cools on a schedule is the machine that made everything after it possible.
- Entry 5.03The capillary arrayA bundle of fine tubes and a detector window, replacing a slab of gel.
- Entry 5.04Rapid DNA boxesSelf-contained units that produce a profile without a laboratory, and the argument about where they should be allowed.
Other sections
Every entry on the site is reachable from the whole register.