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DIY Bows
Word has gotten around the office that your grab-bag presents leave something to be desired, but you're gift-wrapping is second to none. Maintain your reputation with these festively colored mylar bows. Grasp the (2) inner strands and (2) outer strands, pull, and voila!-you've made a bow. The 20" x 7/8" bow-strands make a 4" dia. x 1-1/2" bow; the 10" x 1/2" bow-strands make a 2" dia. x 1" bow. This couldn't be any easier, or cheaper!
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29664 20" BOW STRAND |
Monster Prism
Optical grade unsilvered glass prism from Uncle's WWII tank periscopes. This one is 2-1/8" on the hypotenuse, 5-3/4" long, and 1-1/2" on each leg. They may come with small non-interfering chips or surface scratches. Great for classroom experiments or for art projects. These are a true surplus find and they will not last forever so get yours today!
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3538 MINI-MONSTER PRISM |
Ground Glass
One wiseacre assumed we meant any package leaving our shipping room that once had a glass object in it. That is a malicious rumor. . . Ground glass is thin plate glass, the surface of which has been physically ground or acid-etched to create a grainy, grayish, opaque surface. Use it to produce an image from a lens or lens system. Even a simple magnifier, held between the ground glass and, say, a window, will produce an image of the window scene on the ground glass. Ground glass has another magical property: it is opaque to any object viewed at a distance, but not if that object is in direct contact with the glass surface. A necessary element of your optical education. #2728 (square) is 2"sq x 1/32" thick. #2610 (rectangular) is 3-1/2" x 4-3/8" x 1/16" thick.
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2610 RECT. GND. GLASS | |
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2728 SQUARE GND. GLASS |
A Pyramid of Prisms
Polished glass equilateral prisms. Equilateral because each edge of the end is the same length, 32mm. Thus, as all you geometry students know, each of the angles is also the same, 60 degrees. These are school grade and are fine for decorative and demonstration. They do a nice job of diffracting light to produce a nice rainbow-like spectrum, but are definitely not up to instrumentation standards. The missing dimension, length, is shown below.
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31801 PRISM, 2" | |
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31798 PRISM, 4" | |
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31799 PRISM, 6" |
Disposable Scalpels
Just because hospitals toss 'em after one use doesn't mean you should. These are sterile scalpels, and they're ultra-handy in the shop or craft room. Measure 6" long with snap-off blade shields. You pick #10 with a rounded profile or #11 with pointed blades
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89241 SCALPEL, #10 | |
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89243 SCALPEL, #11 |
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Hemostatic Heaven
Hemostats are the clamplike devices dangling from veins and arteries in melodramatic operating scenes. Our particular collection are Pakistani surgical-grade instruments made of magnetic stainless steel. As such we rate them pretty good, but not fantastic. Hemostats look like little pliers. The jaws are relatively fine, with rounded tips. The inside faces are lightly serrated to get a grip on tubing or body plumbing. And the handles are much longer than the jaws. Now the heavenly part. Great hobby clamps that can be worked into small areas. Fine heat sinks for electronics. Good hook extractors for trout fisherpeople. Excellent tubing clamps for flow-sensitive chemistry experiments. Sizes are approximate length.
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3697 HEMOSTAT, CURV TIP 5-1/2 | |
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91105 HEMOSTAT, STR TIP 12" | |
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6273 HEMOSTAT, STR TIP 7-1/2" |
Optical Glass Filters
Al Luebbers, our founder, collected glass. Not glass like you'd find on a knick-knack shelf, but optical glass. Lenses, prisms, reticles and filters, for example. Focus on the filters. Many of his filters came out of military surplus, and this is for-real stuff. We mean many are solid dyed optical glass, ground and polished to flatness standards that were probably excessive. Others are from the old days in photographic optics, and their standards were even tighter than your militaristic Uncle's. We've found that photographers, artists, and optical designers still have an occasional need for good glass filters, so we're making a list of some goodies. As always, don't be timid about calling for quotes on quantities. If we have 'em, we'll sell 'em. Just don't sell them back. Please!
| DIAM.or SIZE (mm) | CENTER THICK (mm) | |||
|---|---|---|---|---|
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3477 FILTER, AMBER | 26 | 1.5 | |
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3492 FILTER, AMBER | 30 | 2.3 | |
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3480 FILTER, NEUTRAL | 26 | 1.5 | |
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3490 FILTER, NEUTRAL | 30 | 2.3 | |
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3510 FILTER, NEUTRAL | 50x54 | 3.1 | |
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3512 FILTER, NEUTRAL | 67x70 | 4.1 | |
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3458 FILTER, RED | 6 | 1.4 | |
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3464 FILTER, TYPE A | 9 | 1.8 | |
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3470 FILTER, YELLOW | 18x18 | 1.6 |
Real Corks!!
We have obtained a large number of real natural corks, mostly surplus with a few fill-ins bought commercially. They range across the popular sizes used in science labs to seal vessels (drill your own holes for glass tubing, etc) and to use as floats. Or just use them to seal bottles that don't have closures or cry out for a decorative seal.
| Top Dia. | Bottom Dia. | ||||
|---|---|---|---|---|---|
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92688 CORK #0 | 3/8" | 9/32" | Details | |
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88746 CORK, #00 | 5/16" | 7/32" | Details | |
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92718 CORK, #1 | 7/16" | 5/16" | Details | |
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89230 CORK, #10 | 1" | 3/4" | Details | |
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89232 CORK, #16 | 1-3/8" | 1-1/16" | Details | |
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1711 CORK, #2 | 1/2" | 7/16 | Details | |
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89234 CORK, #20 | 1-5/8 | 1-5/16" | Details | |
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88748 CORK, #3 | 9/16" | 7/16" | Details | |
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23594 CORK, #5 | 11/16" | 9/16" | Details |
First Surface Mirrors
Optical imaging folk insist that their reflective surfaces be on top of the glass, because an optically minor “ghost” is created with back surface mirrors. These “First Surface” optical mirrors generally also have better glass and flatter surfaces than their household brethren. Delicate, with the fragile reflective surface exposed, they carry the prices that precision demands. If you are playing with lasers, photography or optical alignment, the first surface items below are what you need. Dimensions are included in the description as width x length x thickness, all in mm.
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69134 MIRROR, FS, 1.5 X 1.5 X 1 | |
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68361 MIRROR, FS, 77 X 194 X 3 | |
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68677 MIRROR, FS, 79 X 140 X 2.8 |
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BOTTLEMANIA
Zillions of little bottles. Renegades from a pharmaceutical company, leftover unfilled from runs of exotic we-know-not-what. We have divided them into three basic shapes: A, Narrow Mouth, h (Narr Mo) have a 10mm dia. x 4mm long neck on top of a squarish shoulder, a 13mm dia. 3mm rim and a 7mm dia. opening; B, Wide Mouth, (Wide Mo) have a 16mm dia. x 4mm long neck on top of a squarish shoulder, a 19mm dia. x 3mm rim and a 12 or 13mm dia opening; C, Sloped Shoulder, (Sl Sh) have roughly 5-6mm long neck that tapers from the soft shoulder to 15mm dia, with a 19mm dia x 3mm rim and a 12-13mm dia. opening. Height refers to height overall, and dia. to the body dia. in the table below. Great items for the doll house (for kids old enough not to swallow them), to hold tiny wild flowers, for decorative art work, individual cruets, or just to hold and marvel at. All quite sturdy glass. In the real world, you would pay from $75 (smallest) to $225 (biggest) for 288 of these, which is the smallest quantity you could get!! Narrow mouth bottles take a #00 cork. (Our part number 88746) Wide mouth and sloped shoulder bottles take a #3 cork. (Our item number 88748)
| Dia. | Height | ||||
|---|---|---|---|---|---|
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40108 NARROW MOUTH 10ML CLEAR | 22mm | 52mm | Details | |
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4735 NARROW MOUTH 5ML AMBER | 23mm | 37mm | Details | |
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31492 NARROW MOUTH 5ML AMBER | 21mm | 39mm | Details | |
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31495 NARROW MOUTH 5ML AMBER | 21mm | 38mm | Details | |
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40107 NARROW MOUTH 8ML CLEAR | 24mm | 40mm | Details | |
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40815 SLOPED SHOULDER 100ML CLEAR | 52mm | 95mm | Details | |
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40814 SLOPED SHOULDER 25ML CLEAR | 32mm | 57mm | Details |
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Don't Forget Your Rubbers
Protect your feet and your footware with our bright yellow disposable plastic boots. They slip possibly over a stout pair of workboots-size eleven and smaller, we guess. The disposable boots are too thin to be worn alone and designed to work with liners we also carried but have since sold out on. Our package of (6) is of course (6) pairs.
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26256 DISPOSABLE BOOTS |
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