Catalogue Number: 951 Simple trial frame Category: Equipment Sub-Category: Trial Frame Time Period: 19th C Description Of Item: Simple single drop-cell trial frame. Nickel alloy frame front. Fixed saddle bridge. Straight blued steel sides. No axis markings.W: 11.7 cm x D: 3.0 cm How Acquired: Donated by Dr & Mrs R Butler Condition: Front fair, sides poor; tips chipped Location: Archive Office. Spectacles cabinet Drawer 5 |