Balance unit, first electronic micro-balance
Balance unit, serial no 55920, with black and cream metal case.
- Object Number:
- 2001-493 Pt1
- type:
- microbalance
Perkin-Elmer AD-1 first electronic micro-balance with closed servo-loop. Range 0-1gm.
Balance unit, serial no 55920, with black and cream metal case.
Control / readout unit serial no 56209, with cream and grey metal and plastic case.