Two circle contact goniometer
Stoe & Cie, Fritz Rheinheimer, Heidelberg
Stoe two circle contact goniometer (lacquered brass and
blackened brass base) with graduated circles and vernier
read-out, a steel rod with contact plane and specimen
holder on a ball and socket joint. Vertical circle 15
cm, height 22 cm.
Signed on the vertical circle "Stoe & Cie | Fritz Rheinheimer
| Heidelberg", first half 20th century.
The present owner bought the goniometer from the widow
of Richard Venable Gaines (1917-1999); see label from
Gaines' collection below.
Mounted on the specimen holder is a wooden crystal model
collection Roger Warin