Comprising 24 SWG constantan wire stretched along a metre scale; subdivided in cm and mm clamped to stout plated brass end plates. The terminating strips are provided with heavy duty 4 mm socket terminals and the whole is mounted on a polished hardwood baseboard.

• Supplied WITH JOCKEY.
• Dimensions: (L)1130 mm x (W)80 mm x (D)50 mm