This collection of Sargent-Welch and CENCO Operating Instructions is downloadable in .pdf format.

The collection is under continual review and expansion, and does not represent a complete set of instructions for everything we offer.

Conversely, the collection also includes Operating Instructions for some items that are no longer available in our active offering, but are still in use in many educational institutions.

Consequently, some of the entries are in older formats with now outdated item references and old company addresses. Caution should be used when working with this older information. If in doubt about the continued validity of item numbers, please call our Customer Service Department at 800-727-4368.

Cat No	Description
00683-19	Torison Band Replacement Procedure for the 33210 Gravitational Torsion Balance
00691-16	Gold Leaf
07560-00	Simple Form Jolly Balance
11450-01	Universal Red Wax
30818	Mass of the Electron Apparatus
30821	Multiple Light Source Set
30823-01	Volta's Hailstorm
30825-01	Electric Whirl
30826	Simple Form Capacitor
31023	Complete Optical Bench Set
31043	Venturi Meter Demonstrator
31173	Celestial Coordinates, Time and Place (20 Slides)
31179	Northern Hemisphere Constellations (40 Slides)
31180	Northern Hemisphere Constellations with Mythological Figures (40 Slides)
31182	Slide Set Descriptions History of Astronomy
31184	Stars in General
31185	Stellar Evolution Slide Set
31186	Relativity and Black Holes
31188	Galaxies and the Universe Slide Set
31189	Stellar Physics/Spectra (Slide Set Descriptions)
31377-01	Motor-Driven Rotator with Digital Display
31381	Center of Gravity Disk
31400-01	Complete Young's Modulus Apparatus with Dial Indicator
31701	Bell in Vacuum Jar
31910	Student Bunsen Photometer
31911	Speed of Light Lab
31943	Motorized Wave Generator
32032	Infrared Heater
32047	Complete Franck-Hertz Experiment
32053	e/m Complete Unit, Fine Beam Method
32136	Magdeburg Hemisphere with Stand
32140	Student Ballistic Pendulum
32154	Monkey and Hunter Experiment Apparatus
32155	Mechanical Equivalent of Heat Apparatus
32157	Dynamics Carts with Masses
32158	Cart Acceleration Apparatus
32159	Acceleration Experiment Stand
32168	Flame Spectra Kit
32179	Air-Cooled Laboratory Rheostat
32207	Compact Electrolysis Apparatus
32243	Oersted's Law Apparatus
32244	Climbing Arc
32302	Big Little Ray Box Kit
32307	Lecture Galvanometer
32308	The Tracker Diffusion Cloud Chamber
32381	Electronic Module System Six-Range DC Meter
32382	Electronic Module System Six-Decade Counter-Timer
32385	Electronic Module System Geiger Tube Supply
32386	Electronic Module System 12 VAC/DC Amplifier Power Supply
32388	Electronic Module System Twenty Times Pre-Amplifier
32389	Electronic module System Function Generator
32390	Cenco Electronic Module System Low-Voltage Power Supply
32391	Magnetic Field Detector
32392	Photoelectric Effect Module
32394	Electronic Module System Geiger Tube
32397	Electronic Module System Photocell
32398	Electronic Module System Ultrasonic Transducer
32399	Electronic Module System Thermocouple Probe Set
32400	Electronic Module System Thermistor Temperature Probe Set
32405	Economy Sound Level Meter
32487	Demonstration Wheel and Axle
32448-01	Economy Ballistic Car
32489	Falling Body Acceleration Apparatus
32492	Electronic Doppler Effect Apparatus
32493	Precision Newton's Rings Apparatus
32496	Self-Reflective Lens and Prism Set
32497	Optical Signal Path Generator
32498	Ion Movement Apparatus
32501	High-Quality Cenco Ammeter
32502	High-Quality Cenco Microammeter
32503	High-Quality Cenco Voltmeter
32504	High-Quality Central Scientific Coulombmeter
32506	High-Quality Central Scientific Stopclock
32509	e/m Apparatus
32516	Self-Contained Planck's Constant Apparatus
32521	Central Scientific Wood Sonometer
32524	Inductive Pickup/Amplifier Set
32525	Audio Amplifier/Speaker
32527	Instructional Cassette
32680	Differential Pressure Bottle Demonstration Kit
32691	Lenz's Law
32698	Longitudinal Wave Demonstrator
32715	Moments Apparatus
32716	Second Law of Motion Apparatus
32719	Lenz's Law Accessory
32722	Game Port Interface Box
32729	Reversible Thermoelectric Demonstrator
32998	Friction Rod Kit
33091	Hydrophobic Sand
36801	Variable High Output Air Source
36853	Chladni Plates for the Mechanical Oscillator
70706-01	Chladni's Plates
70712-01	Tangent Galvanometer
70727	Constant-Speed Strobescope Rotator
70740	Pinhole Camera
71854	Three-in-One Electromagnet Demonstrator
71899	Electrostatic Accessories
71937-06	Conservation of Energy Track
71942-24	Doppler Effect Demonstrator
71942-85	Magnetic-Field-About-A-Conductor Demonstrator
72700-01	Current Balance
72700-02	Air Core Solenoid
72700-04	Collision in Two Dimensions
72700-22	Boyle's Law Apparatus
72700-3	Centripetal Force Apparatus
72700-72	Energy Transfer Apparatus
72700-92	Electroscope
72700-99	Geiger Counter
72701-01	Electrostatic Materials
72701-02	Coulomb's Law Apparatus
72701-11	Helical Spring Set
72701-2	High Power Light Source
72701-81	Molecular Size and Mass Kit
72702-01	Ripple Tank Apparatus
72702-3	Refraction of Particles Apparatus
72703-01	Variable Phase Wave Generator
72703-12	Particle Accelerator Analog
72703-13	Adjustable Phase Wave Generator
72704-01	Economy Millikan Apparatus
72707-11	Diffusion Cloud Chamber
72710-11	Immersion Heater
72710-22	Bromine Tubes Set
72710-24	Electrolysis Electrodes
72710-25	Elasticity of Gases Apparatus
72710-52	Mechanical Gas Model
72717-08	Vacuum Tube Diode
72717-25	Fan Cart
72717-28	Trajectory Apparatus
72719-2	Air Table Flasher
72719-22	Air Track Flasher
72702	Optical Slits Apparatus
73920	Flexure of Beams Apparatus
74000	Young's Modulus Apparatus
74050	Torsion Apparatus
74275	Composition of Forces Apparatus
74285	Engraved Precision Force Table
74296	Non-Concurrent Forces Apparatus
74300	Experimental Crane Boom
74350-01	Motor-Driven Rotator
74430	Centrifugal Force Apparatus
74470	Centripetal Force Apparatus
74595	Doppler's Principle Apparatus
74780	Simple Form Gyroscope
74786-1	Bicycle Wheel Gyroscope
74836	Center of Mass Demonstrator
74880-05	Precision 1.5-Meter Air Track
74881-1	Complete Air Track and High-Precision Sonic Ranger
74881-2	Complete Air Track And Photogate
74881-3	Complete Air Track and Spark Timer
74881-4	Complete Air Track and Computer Photogate
74960	Packard's Acceleration Apparatus
79587	Overbeck Electric Field Mapping Apparatus
79606	Oersted's Law Apparatus
79610	Ampere's Law Apparatus
79750	Primary and Secondary Coils
79975	Motor and Generator Demonstration Model
80250	Impedance Circuit
80457	Neon Wand
80465	Three Centimeter Microwave Apparatus
81131	Copper Electroplating Outfit
81185	Brownlee's Electrolysis Apparatus
82448	Multi-Range DC Milliammeter
82551	Multiplier and Shunt, Appendix
83041	Mounted Resistance Spools
83230	Precision Slidewire Wheatstone Bridge
83406	Two-Meter Potentiometer Slidewire Bridge
83516-01	Capacitor Standard
83594	Capacitance Substitution Box
83596	Decade Capacitor
84570	Sympathetic Tuning Forks Set
84865	Kundt's Apparatus
84930-02	Resonance Apparatus
85065	Sonometer
85180	Singing Tubes Set
85262-01	High Intensity Light Source
85801	Optical Bench
87006	Force Table Spectrometer
87268	Light Source
87660	Ingersoll Eye Model
CP00751-50	Inertia Ball
CP31377-01	Motor-Driven Rotator with Digital Display
CP32680-00	Differential Pressure Bottle Demonstrator Kit
CP33891-00	Large Electrostatic Generator with Discharger
CP76025-01	Three-Hole Can Experiment
CP83191-00	Slidewire Wheatstone Bridge
CP85102-00	String Vibrator