Brass telemeter with case

Brass 'telemeter' artillery rangefinder in leather covered wooden case with velvet lining by Charles Tilliere, Brussels, Belgium, 1875.

Details

Category:
Acoustics
Object Number:
1995-419
Materials:
brass (copper, zinc alloy), glass, iron, wood (unidentified), leather, velvet and paper (fibre product)
Measurements:
overall (case): 23 mm x 205 mm x 30 mm, .119kg
overall (Telemeter): 190 mm 16 mm,
type:
range-finder
credit:
Tesseract