Remember the Lehman Scientific special Back Room Surplus 10-day right-of-return policy. Your satisfaction is guaranteed. (See complete details on the Order Form)

150mm dia. Zinc Selenide Filter in J.A. Noll NGM-6M micrometer adjust two-axis Filter Holder. (Inv #7742) Very large ZnSefilter. The filter holder has micrometer adjustment for the X and Z axes. Although we have inspected this filter and find it to be in very good used condition (there are a few very tiny scratches in the coating), it is sold as subject to your inspection. Please handle the filter by normal optics best-practice procedures in case it must be returned. Checked, guaranteed. Price: $1395.00

Spawr Optical Research Cat. #ICu-001 OFHC Copper Mirror. (Inv #) This non-coated, optically flat mirror is designed for medium and long-wave IR high-energy lasers. This one is Industrial Grade. Specifications: Reflectivity: 99% @ 10.6 m, Surface Accuracy: l/10, Surface Smoothness: 45A rms, Material: High Purity Copper. This mirror is in the original sealed box, however, the plastic wrapping had deteriorated. The mirror shows light tarnish and may need to be polished. It has never been touched or damaged. Although we have inspected this mirror and believe it will be in excellent condition when it is polished, it is sold as subject to your inspection. If you feel it cannot be polished it can be returned. Please handle the mirror by normal optics best-practice procedures in case it must be returned.Unused surplus, guaranteed. Price: $45.00

Bell Aerospace Textron Model 7467-750002-1 Fuel Cell Pressure Test Set. (Inv #) Contains: Matheson Regulator Set P/N 81-580, Bell P/N 7567-750032-1, 7467-750053-1, 7467-750052-1, 7467-750051-1, 7467-750053-3, 7467-75002-1, 424006-1 PTF-1 (2 ea.), 424102-1 PTF-1, and 16 ft. of Parker Push-Lok 801-6 hose (200 psi working pressure). No other information available. New in boxes with case. Price: $250.00 (Not available for export)

Biosystems Inc. Model 3100R Personal Portable O2 Monitor. (Inv #7582M) Operates on 9V battery or supplied wall adapter. Units power up and display 0.1% Oxygen. Probes need to be replaced, could not test further. Very good to excellent physical condition. Price: $50.00

Cell, Base Path .26 Meter. (Inv #5280) Case contains cell, valve, and two lenses. As pictured, no other information available. Price: $50.00

Comstron 1002 Precision Signal Source. (Inv #8184) Provides sine and square wave output over the range of 1Hz to 1.999999MHz. Digital display of frequency and amplitude. All functions are set by pushbuttons and multi-function center knob. The case is cracked at the bottom of both front corners from the case screws being over tightened. Signal is locked to an internal crystal oscillator. Seems to work but may have erratic operation from the optical encoder. No further information available. Price: $45.00

Fluid Metering Inc. Model RRP Lab Pump. (Inv #5222) This piston type pump will pump 0 to 12 ml/min forward or reverse. Power Required: 115V 60Hz. Good used condition, working. Price: $75.00

Kepco Model ABC 40-0.5 CVCC Power Supply. (Inv #150) Output: 0 to 40VDC, 0 to 0.5ADC, Input: 115/230VAC50/440Hz. Constant Voltage/Constant Current type power supply. Good used condition (power cord needs to be replaced), working. Price: $45.00

Kinemetrics/Truetime 468-DC NBS Time Display. (Inv #7669) This true-time display monitored GOES satellites to display correct time accurate to a millisecond or better. The GOES satellite system was expanded into the modern GPS satellite system. This display dates from the mid-1980s but there is a wealth of information available on the web about this instrument including many computer programs; it apparently was the display of choice for "time junkies" and experimentors. I believe that it requires an active antenna, (not currently available from us), for use. Standard 19" rackmount. Seems to work, but sold as untested. Good physical condition. Price: $35.00

Liberty Industries Model BSB-100 V-TES Bridge Substitution Box. (Inv #7631) Strain guage bridge substitution box. No further information available. Very good used condition. Price: $20.00

M-C Products "ThermoFlow" Model EM100 Energy Meter. (Inv #220) This device is used for measuring Net Heat Flow and estimating energy costs by calculating the energy loss through walls and windows. The liquid crystal display reads in btu/sq ft/hr. Power Required: 9V battery. Includes: Hard Case, EM100 BTU Meter, Energy Cost Estimator Forms, and Operator's Manual. No further information available. Good used condition, working. Price: $200.00

Metrodyne Model Epic I Digital Counting Scale. (Inv # 7207) Digital counting scale with 25 lb capacity and resolution of .005lb. To operate, turn on power, depress all clear button, place 10 pieces of item to be inventoried on scale, press sample button, add balance of item to be inventoried to scale, then read the quantity. If you wish, a representative empty parts container may then be weighed, and quantity indicated subtracted from total. No further information available. Very good used condition, working. Price: $175.00

Micrometer, Metric. 0-25mm X 0.01mm. These micrometers have chrome-plated solid brass body and a hardened steel screw. They feature a ratchet-clutch for uniform readings and the fixed anvil is adjustable for zero calibration. Included is the fitted wooden box . These are imported from India and are surprisingly accurate and well made for the price. Great tool to have for general use around the shop. Factory new. Price: $12.00

Micrometer, English. 0-1 inch X 0.001 inch. These micrometers have chrome-plated solid brass body and a hardened steel screw. They feature a ratchet-clutch for uniform readings and the fixed anvil is adjustable for zero calibration. Included is the fitted wooden box . These are imported from India and are surprisingly accurate and well made for the price. Great tool to have for general use around the shop. Factory new. Price: $12.00

Omega Model PHP-84 Chemical Metering Pump. (Inv #5219) This pump ensures a constant flow rate which can be set from 0 to 100% with an accuracy of +/- 5%. The setting varies the number of piston strokes. Maximum Flow Rate: 5 l/hr, 32 Gal/day, Maximum Back Pressure: 145psi, Power Required: 110V 50/60Hz. Good used condition, missing the plastic cover for the control panel, working. Price: $65.00

Plymouth Model T-K-400 Fume Extractor. (Inv #5210) Can be used as a fume hood exhaust, general-purpose exhaust or blower. Two-speed unit has a peak air movement of greater than 3000fpm. Removable internal filter catches large particles. Dimensions: 30" X 8" X 15", Power Required: 120V, 60Hz, 950W. Includes 25" power cord. Good used condition, working. Price: $200.00

Semco Sempak Cartridge Dispensor. (Inv #7892) Unknown part number, for parts only. Rated at 100psi. Appears to take a cartridge that will fit into a 8.25"L x 2.5"dia. holder. with a 1-3/8" opening on the end. Has a rod that can be clamped to a stand, and a tube on the end for an air hose. Very good cosmetic condition, made of anodized aluminum, and steel, appears to be sturdy in construction, cleaned, guaranteed. Price: $35.00

Sorensen Model DCR150-5A Power Supply. (Inv #198) Output: 0 to 150 VDC, 0 to 5 ADC, CVCC supply, Dual Meters, Input: 104-127 VAC, 50-63 Hz. Partially working- has good output but the current limiter is not working, and the back cover is missing. Repairable, or use as-is for your special application. Price: $125.00

Schutter & Koerting Model 64-06-930-M Wide Range Rotameter Kit. (Inv #5080) Kit contains: Large "Safeguard" Rotameter frame, Small "Safeguard" Rotameter frame, 6- Rotameter Tubes P/N 3HRYB, 4HCFB, 03RYB, 1RYB, 05RYB, 06RYB, 9- Rotameter Floats made of steel, sapphire, and various other materials P/N S-3-A, BJ-3H, R-033, 4I-J, R-034, BJ-8, BP-3, R-12, 4-BP-1, all packed in a sturdy, fitted, wooden case. Appears to be in good used condition. No further information available. Price: $450.00

Tektronix 2901 Time Mark Generator. (Inv #) Provides time-markers from 5 sec to 0.1 us, and sine waves from 50 ns (20 MHz) to 2 ns (500 MHz). Trigger pulses from 0.1 us to 1.0 sec coincident with the corresponding time-markers and high-amplitude (25 V p-p into 1 kohm) positive or negative pulses from 1.0 us to 5 sec are also available. The time-mark generator utilizes a 10 MHz crystal oven for its time-base. Accuracy: Period- 0.001% (10 ppm) from 20-30 deg C, Stability- 3 ppm/24 hrs at 0.1 us (10 MHz) after 2 hr warm-up. Good used condition, working. Price $225.00

Tex Transformer P/N P603909. Sealed can type. Primary: 120V 60Hz, Secondary: 24V 2A. New in box. Price: $5.00

Zaxis System 2000 Electrophoresis Module. (Inv #7609) Compact, easy to use and clean, EP module. Uses 4" wide plates. Very good used condition, untested, cleaned, 10-day right-of-return. Price: $69.00

Zaxis System 2000 Electrophoresis Module. (Inv #7610) Compact, easy to use and clean, EP module. Uses 4" wide plates. Very good used condition, untested, cleaned, 10-day right-of-return. Price: $69.00

Remember the Lehman Scientific special Back Room Surplus 10-day right-of-return policy. Your satisfaction is guaranteed. (See complete details on the Order Form)