Double slit interference Single slit diffraction optical instrument - In English

dragon_treasures_15
(267)
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US $124.99
ApproximatelyS$ 163.14
or Best Offer
Condition:
New
5 available
Breathe easy. Returns accepted.
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Shipping:
US $16.40 (approx S$ 21.41) USPS Ground Advantage®.
Located in: West Linn, Oregon, United States
Delivery:
Estimated between Fri, 28 Nov and Tue, 2 Dec to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Coverage:
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Seller assumes all responsibility for this listing.
eBay item number:186941845256
Last updated on Sep 18, 2025 07:04:59 SGTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Brand
Unbranded
Type
Observer
物品状况
全新
MPN
experiment equipment
UPC
Does not apply
Category

Item description from the seller

About this seller

dragon_treasures_15

100% positive feedback•297 items sold

Joined Jun 2012
Usually responds within 24 hours
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Detailed Seller Ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
4.8
Shipping speed
4.9
Communication
5.0

Seller feedback (136)

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  • k***a (401)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    This seller is the best of the best. Product fantastic, well packed, shipped quickly and arrived clean and neat. Thank you.
    Sango Blossom Brown 4764 Coffee Cup Dishwasher and Microwave Safe (#186932708789)
  • a***o (3937)- Feedback left by buyer.
    Past year
    Verified purchase
    First-rate seller; everything as promised; well packaged; fast ship; a pleasure to do business with. A+++
    Volume 5 of The Collected Works of C G Jung Symbols of Transformation Hardcover (#186895867378)
  • h***c (1003)- Feedback left by buyer.
    Past year
    Verified purchase
    Great price! Fast delivery! Excellent description of item! A credit to eBay! A++
    HP 902XL 2 pack Black Noir XL High Yield Ink Cartridge for OfficeJet 6958 6962 (#186941977296)
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