The Whipple Museum of the History of Science: Objects and Investigations, to Celebrate the 75th Anniversary of R. S. Whipple's Gift to the University of Cambridge
Show full titleShow less
by Joshua Nall
Good price
$134.35 is 5% below the $142.21 it normally sells for.
- Now
- $134.35
- Normally
- $142.21
- Lowest in 138 days
- $87.87(Jul 29)
- Highest
- $151.90
Where today's price sits
Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.
The listing's crossed-out price
Holds upThe listing shows
crossed out: List $145.00 −8%
Against its normal price
−5% vs $142.21
List $145.00 (−8%) holds up: today's price is 5% below normal.
The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →
Price history
Tracked since Jun 25 · 138 days · 53 price changes
Loading the price chart.
- Price
- Normal $142.21
- 5% or more below normal
How often does it drop below normal?
In the 138 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 3 times, typically lasting about 10 days. It's below normal right now.
A count of what happened, not a prediction.
Other ways to buy
New from
$133.42
BuyWorldwideSeller rating 43% of 4,389
Used from
$199.72
the_book_communitySeller rating 85% of 72,021
11 of 12 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| BuyWorldwide | New | $133.42 | No | 43% of 4,389 |
| Amazon.com | New | $143.03 | Yes | 100% |
| Anderson Family Library | New | $159.62 | No | 77% of 1,273 |
| ShopSpell US | New | $161.17 | No | 89% of 4,893 |
| betterdeals2019 | New | $161.60 | No | 53% of 9,399 |
| Windy Books | New | $182.05 | No | 65% of 19,666 |
| booksXpress | New | $182.05 | No | 65% of 37,285 |
| the_book_community | Used - Very Good | $199.72 | No | 85% of 72,021 |
| tabletopart | Used - Like New | $212.59 | No | 67% of 44,888 |
| tabletopart | New | $213.49 | No | 67% of 44,888 |
Showing the 10 lowest of 11 offers.
Amazon lists 12 offers. These are from the first page of its offer list, sorted by price plus delivery, so a lower price may be further down.
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/1108498272 \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/1108498272", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/1108498272",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "1108498272",
"title": "The Whipple Museum of the History of Science: Objects and Investigations, to Celebrate the 75th Anniversary of R. S. Whipple's Gift to the University of Cambridge",
"image": "https://m.media-amazon.com/images/I/71RBBEa6PnL._AC_SL500_.jpg",
"currency": "USD",
"category": "Book",
"category_label": "Books",
"in_stock": true,
"price": {
"current_cents": 13435,
"reference_cents": 14221,
"discount_pct": 5.53,
"is_deal": true,
"observed_at": 1794417154377,
"changed_at": 1794240018379,
"checked_at": 1794417154377,
"source": "stored"
},
"verdict": {
"label": "good",
"text": "Good price",
"pct_vs_normal": 5.53,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Good price. $134.35 is 5% below the $142.21 it normally sells for."
},
"listing_claim": {
"label": "List:",
"listing_reference_cents": 14500,
"claimed_pct": 8,
"real_pct": 5.53,
"class": "holds_up",
"observed_at": 1794395855324
},
"stats": {
"min_cents": 8787,
"max_cents": 15190,
"avg_cents": 11561,
"history_days": 138,
"price_levels": 238,
"price_changes": 53,
"distinct_prices": 9,
"lowest_at": 1785321051038
},
"history": [
{
"price_cents": 14303,
"from": 1794116924320,
"to": 1794150577701
},
{
"price_cents": 14722,
"from": 1794154241679,
"to": 1794216697856
},
{
"price_cents": 14221,
"from": 1794219182846,
"to": 1794220886220
},
{
"price_cents": 13794,
"from": 1794230311343,
"to": 1794230984803
},
{
"price_cents": 13435,
"from": 1794240018379,
"to": 1794417154377
}
],
"last_seen": 1794417154377
}
// … 233 more steps in the full responseNormal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.