SPEX Laser Optical LOT Plate Holder, Scanning Spectrometer, Input Slit # 1710

Description

SPEX Laser Optical LOT  Plate Holder, Scanning Spectrometer, Slitter
PN# 1710  / 1632
I do not know much about spectrometers or parts.  But I know these are hard to find.  It came from working environment and if it does not work for you I will refund.
6 SPEX parts in this lot (for the price of 1!!):
- One slitter. Dial on slitter goes 1- to 200    No tags or markings of the slits (dial is stamped SPEX).
- The other part is Scanning Spectrometer (pn- 1710)
- Other part is SPEX Plate holder
- 3 Apertures/ lenses holders (??)   (one is stamped 1632)
Will ship international.
please ask questions.  Please look at pictures.