This precision grating was made for Jerrell-Ash by Bausch & Lomb. Much of the following information was taken from the nomenclature label fixed to the back of the grating substrate..

Grating size – 60 x 60 mm.
Focal length – infinity.
Grooves / mm – 295
Blazed at 270nm
Part number 11-060
Catalog number 985-30-40-18
Coating – Al (?)

The grating is in fair condition. There is some mottling of the coating over the entire surface. There are also some tiny blemishes in the grating here and there. No deep scratches. This is suitable for student experimentation. The grating includes the Jerrel-Ash holder shown in the photos.

Photo set 1648.

BMI Surplus, Inc. has a huge inventory of used, new, pre-owned and recycled Optical Gratings for sale.
We will work with you individually to find the perfect set up for your application.
Buy online or give us a call at 781-871-8868. We have experienced customer service representatives standing by ready to help you!

BMI Surplus, Inc. is a dealer in used and sometimes new Surplus Scientific & Industrial Equipment – we cater to clients in search of items to be used for specific applications.
We do not offer a guarantee as many of our items are purchased by professionals in need of parts and pieces.
You will find many of our items listed on our website as untested or as parts or repair units even though in they are in good used condition.

**Shipping, Handling & Freight fees are dependent on your location.
We will provide a freight quote to meet your individual needs and work with you if you prefer to use your own carrier.
We have 32 years of experience shipping sensitive scientific instruments & industrial equipment!

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***MPN 985-30-40-18
***OEM Bausch & Lomb (B&L)
***SKU*** 23067