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0-10VDC AMMETER
Amps and volts, go together like pretzels and mustard, at least in Philadelphia. Where were we? Yes, you pick from our 0-10VDC in 0.2 volt increments voltmeter or the zero-adjust ammeter (Galvanometer) that reads bipolarity up to 500mA in 20mA increments...Starting at $13.50Starting at $13.50 -
PROJECT BOX BLACK PLASTIC ALUMINUM TOP
This black plastic project box measures 4-1/8" x 2-3/4" x 1-5/8" (4" x 2-1/2" x 1-7/16" ID) with an aluminum top that mounts to the box and (4) vertical PC slots in the middle of each long side, spaced 1/16" apart. Also has (2) 1" tall standoffs in...$3.50$3.50 -
GO PROXIMITY LIMIT SWITCH
From Go®, this SPDT proximity limit switch is rated for 120-600 VAC at 1250W. Measures 4-1/2" x 1-3/4" x 1-1/2" and comes with instructions. New in the box, but the box could be a touch worn. Part #111314, 11-11314-A1.Available in stores by special...$79.95$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
SALE
HEATING ELEMENT U-SHAPED 8-3/8" X 2-5/8"
To heat what is anybody's guess, but it's a U-shaped heating element, 8-3/8" x 2-5/8" x 1/4" dia with a 107 Ohm Resistance and rubber grommets above the 3/16" wide power terminals. When CJ heated it up to 120F, those grommets got gooey, so he says use...$1.25$3.7567% OFF$1.25$3.7567% OFFQty in Cart: 0Quantity:Price:$1.25$3.7567% OFFSubtotal: -
DIAMOND-COATED BEAD REAMERS
If your beads need reaming, nothing reams beads like diamond-coated bead reamers. This quartet all have a 2-7/8" plastic handle in different colors and include cone, tapered, pointed and cylinder tips. With diameters of 0.2mm - 5mm they are ready...$3.95$3.95 -
ESTERLINE-ANGUS CUURENT TRANSFORMER, MODEL C,
2500 Volt/25VA See photo for wiring diagrams Unit weighs appx 27lbs. and will ship via standard ground shipping. Call or email with any questions!$129.95$129.95 -
ATOMIC MODEL SET FOR STUDENTS
Make a nice start at constructing your very own universe with this excellent molecule model set. You get (24) 3/4" and (25) 1" plastic balls in assorted blue, black, yellow and orange colors with varying numbers of holes for connectors; (26) white...$29.95$29.95 -
SMALL (8-1/4" PAIR OF CUT RESISTANT GLOVES
We won't say magic, what with Science being our middle name, but these cut-resistant, composite-yarn technology gloves are pretty mystifying. In cobalt blue or bright white, our each is either a pair or single glove (see...Starting at $2.95Starting at $2.95 -
COLLECTIBLE 1990's CATWOMAN RINGS
Meeeeowwww! These 1990's-vintage collectible Catwoman™ plastic finger rings are adjustable for any size and have a 1" dia disk with her masked feline image on it. Primarily hot pink on black. New in the original unopened package of (8) rings, one...$3.50$3.50 -
VIOLET MOMENTARY-SWITCH LASER 5mW, 405nm
Our common red or green pointer too blasé for you? Make your point violetly with one of these rare violet laser pointers. Its non-slip black rubberized case with silver accents is 6-1/8” long x 7/16”dia, with a momentary switch and a...$14.95$14.95 -
LOCKING STAINLESS STEEL CALIPERS
Banish plastic calipers. Replace them with these brushed stainless steel locking calipers. They measure spans up to 5" in 1/16" increments and 125mm in 1mm increments which may or may or be darkened, and these are real beauties. Terry's buying a pair to...$12.75$12.75 -
SALE
ZEBRA DUCT TAPE DESIGN 1-7/8" X 10 YD
Gray is for grown-ups. This duct tape is made for the young at heart. You’ll get (30) feet of 1-7/8” wide duct tape on a 3” core. You pick: from the incredible collection of fun colors and designs. Instructions...Starting at $1.00$1.95Starting at $1.00$1.95 -
RETRACTIBLE MICROFIBER DUSTER
This microfiber duster starts out 11” long and the telescoping 4-draw handle extends to over 2 feet, if you count the headful of 1” long wiggly dust-busting fingers on top. Can you say recessed lighting? Ceiling fan? We’ll select one...$3.95$3.95 -
SOLAR-POWERED SPINNING DISPLAY STAND
Display all sides of any number of not-too-heavy items on this solar-powered motorized stand (think small model plane, jewelry display, bud vase holding a prize rose). The 4" square base has subtle solar panels on all four sides and supports a 3-1/2" dia...$9.95$9.95 -
HONEYWELL MULTI PORT AIR FLOW SENSOR
This 4" x 3-3/4" x 1-3/4" medical take-out air sensor has (3) ports coming off the main body chamber (3-1/8" X 3/4" ID). Two lead to one sensor, and the odd man out leads to a separate sensor. Mounted to a PC board with a 10-pin output connector. Aside...$14.50$14.50 -
WATCH & EYEGLASS KIT, 250 ASST SCREWS
Our eyeglass- and watch-repair screw kit pretty much guarantees you'll have the itty-bitty teeny-tiny fastener you need to fix every little thing. The 250-piece set includes a labeled assortment from 2.5mm to 4.5mm in (4) watch-screw and (8)...$6.95$6.95 -
25 PREPARED MICROSCOPE SLIDES
Choose either the 25- or 100-slide selection of 3" x 1" prepared microscope slides from Celestron®, both in sturdy hinged wooden cases. The selections include a wide range of bacteria; plant, animal and human tissue; insect...Starting at $26.95Starting at $26.95 -
BLUE LED, 3.5VDC, 20MA ULTRA-BRIGHT, 5500MCD, 5MM
LEDs in assorted colors and sizes for displays, hobbies, robotics, electronics and more. Item number 94867 has a 5-25 Degree viewing angle and comes with a voltage droppign resistor for 5 or 12VDC power sources.Starting at $1.00Starting at $1.00 -
REVOLVING MULTICOLOR LED PEDESTAL
This rotating LED pedestal puts a little extra pizzazz in awards, displays, tchotchkes or cocktails. The package calls it the "ISO9001 Multifunctional Adjustable," and a "Crystal Rotary Slide Show" which we call a language problem, but it's still...$8.95$8.95 -
PADDED-GRIP EXTENDABLE SCRAPER
Call it the best paint (and label and putty) scraper ever made. Great big nonslip padded grip, a blade holder with a thumbscrew (reverse the blade when not in use), and a 4-draw, push-button extension that takes it from 6-1/2" to 9-1/2" long. Comes with...$6.25$6.25 -
DIAMOND KNIFE AND SCISSORS SHARPENER
Life will never be dull again if you carry this pocket-sized diamond knife and scissors sharpener. Comes with (3) 2" long diamond encrusted rods, (2) medium coarse and (1) fine. The 1-15/16" x 2-3/8" x 5/8" holder is also a frame with slots that hold the...$3.85$3.85 -
LAB KIT: GROW-YOUR-OWN BACTERIA
Grow your own bacteria with this lab kit from EduSci. You get (3) sealed sterile Petri dishes plus a 1/8-oz bag of agar and instructions for use. Bonus: they teach you that agar is pronounced like jogger without the j.$8.95$8.95 -
MINI-WEAPONS OF MASS DESTRUCTION BOOK
A must-have for micro-warriors; Mini Weapons of Mass Destruction by John Austin (author of the best-selling Cubicle Warfare) is 241 pages of detailed instructions for building (42) implements of spitball warfare from ordinary...Starting at $17.95Starting at $17.95 -
12 VDC PNEUMATIC 4PSI SOLENOID VALVE
This take-out solenoid valve is a simple open/closed solenoid valve that is normally closed. It draws 100mA at 12VDC. Has 3/16" OD inlet and outlet at right angles to each other. Housing measures 1-3/16" long x 15/16" dia with...Starting at $3.25Starting at $3.25 -
12VDC MINI DIAPHRAGM AIR PUMP
Great little 12VDC oil-less diaphragm style air pump. For you techies out there it draws 40-300mA, 2.0 Litres/min, 350mm Hg max pressure. These are takeouts and in great condition but the leads on yours may vary in length or even be clipped off (Just...$3.50$3.50 -
ASSEMBLED VAN DE GRAAFF GENERATOR
The next best thing to lightning bolts! 200,000 volts of electrostatic energy created by our Van de Graaff generator. Measures 6-1/2” diameter by 15” tall, includes a spare belt and a set of instructions detailing lots of fun experiments. For...Starting at $189.95Starting at $189.95 -
MULTIPURPOSE 7Kg x 1g DIGITAL SCALE
Weighing is easy with this scale's 7" square x 2-5/8" deep dishwasher-safe, easy-pour bowl for kitchen use, and letter holder and mailing tube holder accessories for office use. Goes up to 7kg (7000g) x 1 gram increments and 15.4 lbs in g, kg, lb and oz...$39.95$39.95 -
ALUMINUM TABLE VISE 1-1/2" WIDE JAWS
Our smallest table vise, and arguably our handiest around the house: call it the Jaws of Aluminum. Clamp this small table vise onto a surface up to 3/4" thick and let it be your third hand. The jaws are 1-1/2" wide and open to a maximum of 1-1/4".$9.25$9.25 -
STEEL WIRE 20" FINGER-TIP WIRE SAW
This Stansport product is called the (although all you really need to cut off fingertips is a good garden pruner). This is actually a survival/hunter's wire saw, a 20" long, thin and sharp serrated wire with a 1-1/8" slip-ring at each end (for your...$3.40$3.40 -
7X LOMO MICROSCOPE EYEPIECE
Select from our collection of compensating microscope eyepieces from LOMO® at microscopic prices. All of these are standard DIN size, all are F.N.18. Pick the 7X eyepiece (part #EF-7X), the 7X with a reticle (part # EF-7XS)...Starting at $19.95Starting at $19.95 -
CELESTRON NATIONAL PARK FIRSTSCOPE 76
Our tabletop telescope from Celestron is an excellent choice for traveling or as a first telescope, which explains its “FirstScope” name. It’s a 76mm reflecting telescope with 20mm (15X) and 4mm (75X) 1.25”...Starting at $79.95Starting at $79.95 -
BIGFOOT CROSSING METAL SIGN, 12" X 12"
Welcome to AS&SDOT, the better department of transportation. We provide all the highway, driveway, hallway, deck or bathroom crossing signs that the government neglects to post because they don't know what's really crossing your path. Mount your very...Starting at $18.50Starting at $18.50 -
ARROWHEADS FROM JASPER AND OBSIDIAN
No, that's not a contradiction. These are real arrowheads, made like the originals, but as replicas. You get a clear-plastic case with (4) of them, (2) made from jasper and (2) from obsidian. Sizes range from 1-3/8" long to approx 2". Has a short fact...$5.25$5.25 -
RECHARGEABLE 6V 4.5Ah SEALED LEAD ACID BATTERY
Here's a brand new selection of sealed lead-acid rechargeable batteries, for when you're pushing something a little bigger than a penlight. All batteries are all direct from the manufacturer with current date codes. All of them have (2) 3/16" wide...Starting at $14.65Starting at $14.65 -
6" CROSS-LOCK TWEEZERS STAINLESS STEEL
These're pleasing tweezers, these are. They're clever cross-lock tweezers, 6" long with wood-grain grips and 1/2" long, serrated 90° jaws that grip tightly. The handy cross-locks will lay flat on their backs to hold stuff,...Starting at $2.95Starting at $2.95 -
ADJUSTABLE MICRO WATCH VISE
It's officially a watch-case holder, and indispensable for jewelers and watch collectors, but it's equally useful for holding anything small and squirrely while you work on it. A pair of 1-3/4" long x 15/16" tall brackets have (4) sets of (6) holes that...$4.75$4.75Qty in Cart: 0Quantity:Price:$4.75Subtotal: -
6-1/2" TALL CLASSIC NEWTON'S CRADLE
Newtonian demonstrator for science teachers. Mindless play for the rest of us. These are shiny, nicely balanced, high-performance examples of the classic Newton's Cradle - a ball on one end of a row of (5) suspended, barely...Starting at $13.95Starting at $13.95 -
FLINT FIRE STARTER MAGNESIUM BODY & STRIKER
C'mon baby, light someone's fire with this magnesium and flint fire-starter kit. The 3" steel hack-saw-type blade and a 3-1/8" x 3/8" x 1-1/8" hunk of magnesium, with a rod of flint embedded in one long side, are on a keychain for carrying but are easily...$6.25$6.25 -
6-SHEETS THIN PLYWOOD
Small pieces of very thin plywood for your craft and model-making needs. You get 18 cubic inches, which will translate into multiple sheets of 3-ply poplar, birch or similar wood at 1/8" to 1/2" thicknesses in random shapes and sizes. Our sample was (6)...$10.95$10.95 -
GLOW IN THE DARK STARS PACKAGE OF 60
Enough to decorate a big ceiling, or make a really special nightgown. These (60) flat, plastic stars measure 3/4" across and glow in the dark, not unlike the real thing. Includes a pack of tiny double-sided adhesive mounts.$5.95$5.95Qty in Cart: 0Quantity:Price:$5.95Subtotal: