strobotorch

plural strobotorches

1. rareA specialized, precise light source that produces extremely brief, highly controlled flashes of light at a known, adjustable rate; it essentially combines the functions of a stroboscope (a tool used to make moving parts appear stationary) with a focused torch or lamp.

   For each measurement the centrifuge speed was increased very slowly and the bead observed by means of a strobotorch flash synchronized manually.

   1960, Unattributed, Chemical Engineering Science 1960: Vol 12 Iss 2, page 137

   1 more example

   A technique employing either the strobotorch or high-speed photography has been evolved for observing the behaviour of the sawdust in the tooth gullets of a circular saw.

   1950 October 29, E.J. Salisbury, Forest Products Research 1949, page 3