Twenty nine values for 238 containers
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There are only twenty nine distinct capacities on this shelf
Across 238 containers. Which means the shelf is not a continuum of sizes, it is nine common sizes with a scattering around them.
Nine ounce values account for 201 of the 238 rows
Two, three, four, six, eight, nine, twelve and sixteen ounces, plus one ounce. Everything else on the shelf is a single row or a pair.
So the practical choice is much narrower than the row count suggests
Two hundred and thirty eight containers, but a size decision between about nine options. The remaining choice is material, color, shape and closure rather than volume.
Which is the useful way to read a catalog of this kind
A long list of rows at one capacity is a list of variants. Counting rows overstates how much the shelf can do and counting distinct capacities understates it.
The depth at eight and four ounces is where the shelf is strongest
47 rows at eight ounces and 44 at four. For a bench collection of bits and discs those two sizes cover most of what is wanted and offer the widest choice of everything else.
The one ounce end is surprisingly thin
Four rows at one ounce and nine rows anywhere below 30 milliliters. Which means the smallest sorted sets are the least well served, and that is the opposite of what a bits-and-pieces shelf might be expected to look like.
At the top the shelf stops at sixteen ounces
31 rows at 473.176 milliliters, and nothing above 500. So a collection that outgrows a pint has to be split rather than moved up.
Categories follow the same concentration
204 jars, 21 bottles, 12 tubs and pails and one tube. A jar is a wide mouth relative to its body, which is the right geometry for reaching into, and it is 86 percent of the shelf.
And so do the neck finishes
56 rows at 89-400 and 56 at 70-400, then 36 at 58-400 and 16 at 53-400. Sixteen rows record no neck finish at all, which puts them outside any closure match.
Availability is a snapshot and it is a large fraction
149 of 238 containers were marked available when this was measured on 19 October 2026, 88 were not, and one is unrecorded. Which is a figure for one day and the page says which day on purpose.