Eckholdt's Patent Omnimeter, invented 1868, by Elliott Brothers, London, England, 1868-1900 Eckholdt's Patent Omnimeter, British, 1868-1900 1868-1900
`Redta' 002 reducing Tachymeter by Carl Zeiss of Jena, serial no.137435, cased, c.1940 with another, similar, serial no.129583, with instruction booklet `Redta' 002 reducing Tachymeter by Carl Zeiss of Jena 1940
Tacheometer, 4-inch, by Troughton & Simms, London, with staff, slide rule and tables, 1885-1895. Sighting tube has been sectioned. Tacheometer with slide rule and components 1885-1895
Watts-Szepessy tacheometer, by E. R. Watts & Son Ltd, London, England, 1931 Watts-Szepessy type tacheometer, British, 1931 1931
Reg Elta 14 electronic tacheometer, in case, Zeiss, serial no 90317, with five boxes of accessories, two tripods and carrying case for optics (640 x 750 x 340mm) Reg Elta 14 Electronic tacheometer, 1960-1980 1960-1980