screw in knob for sale, brand-new and used.

Newport MRS50.4 linear translation stage in excellent condition. Steel body, single-row ball bearing movement, screw and knob actuator, 6mm travel range. Payments, Shipping, and Returns: We allow a 14-day right of inspection.

Newport / New Focus 9852-L kinematic 2" optic corner mount with locking features. Item has never been used. New items from Newport, retail for $245.88 http://search.newport.com/?q=*&x2=sku&q2=9852-L The 9852-L Locking Classic Corner Mirror Mount centers a 2.0 inch (50.8 mm) diameter optic at the fourth corner of the square formed with the three adjustment screws, allowing you to get tilt, tilt without translation, and pure translation all in a single mount.

Newport DM-25L differential micrometer in good working condition. Missing original locking knob, replaced with a regular screw as shown in photos. 25 mm coarse adjustment range at 10 um/div, 0.2 mm fine adjustment range at 0.5 um/div.

This is a listing for a Cole Parmer 77411-00 Masterflex I/P Precision Brushless Drive, W 77601-00 Masterflex I/P Easy-Load pump head, PSF housing/CRS rotor. What you will get: Cole Parmer 77411-00 Masterflex I/P Precision Brushless Drive Remote I/O, 33-650 RPM Masterflex 77601-00 I/P Easy-Load pump head, PSF housing/CRS rotor

This is a listing for a Masterflex I/P 77410-10 Digital Drive, 33-650 RPM, .35 HP, 77601-10 Head What you will get: 1 Masterflex I/P 77410-10 Digital Drive, 33-650 RPM, .35 HP 1 Masterflex I/P 77601-10 Easy-Load pump head, PSF housing/SS rotor. 1 Power Cord

Cole Parmer Mark VII Potentiometric Recorder This unit is either battery or AC powered. It uses NiCad rechargeable batteries, a set is included but their quality is not known. It takes pressure sensitive chart paper 4.75" wide.

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All items are sold as is without warranty unless specifically stated in the posting. This does not mean that the unit doesn’t work, only that we have not tested or checked it out. This may also mean that we are not knowledgeable in this specific item.

Valve block replacement kit. Pretty extensive list.

The Wallach Fetal2EMR Monitor combines the latest in twin fetal heart rate monitoring technology with seamless electronic medical record integration. The Twins Fetal Heart Rate Monitor features a color display, integrated thermoprinter, tocotonometer probe, manual event marker, and internal memory for recording traces.

• Available in Green color only. • The unit has a standard yoke screw stop. • Confusion-free flow setting with a flow window for accuracy.

VINTAGE USA MADE UL INSPECTED CHEYENE LAMPS BLACK METAL AND SOME HEAVY DUTY PLASTIC LAMP WORKS FINE WEIGHS 6.5 LBS. FREE STANDING ON DESK OR TABLE TOP 6' CORD WITH A POLARIZED PLUG BOTH DOUBLE ARMS ARE EASILY ADJUSTED USING A TURN KNOB. ONE FLAW I FOUND - &

IBM Selectric 1 / 2 / 3 ( I II III ) Platen Knobs, NEW OEM, NOS We have right & left platen knobs w/ page indicator dial up for auction. These are official replacement & look like the selectric II knobs, but will work on ALL selectric's

Dunhill Linley walnut rolling ink blotter. Only the best of the best will have such gadgets like this as a part of their desk accessories collection. This wonderful walnut ink blotter will ensure that all of your finest documents stay in their pristine condition.

Dunhill Linley sycamore rolling ink blotter. Only the best of the best will have such gadgets like this as a part of their desk accessories collection. This stunning sycamore ink blotter will ensure that all of your finest documents stay in their pristine condition.