Cube #53

 

Cubes in a mason jar.  This is a Kerr quart mason jar.  The front has the "Kerr" cursive branding with "Self-Sealing" "Trade Marked" and "Mason" below it.  The lid was missing, so a spare Ball lid was added on top.

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Cube #51

 

Cube in a mason jar.  This is a pint Kerr jar.  The jar front has "Kerr" "Self-Sealing" and "Mason" on it.  The lid a two piece gold Kerr branded lid.

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Cube #50

 

Cube in a mason jar.  This is a pint Kilner jar.  The jar front has "Kilner" and "Est 1842" on it and a blank spot for a label.  The lid has the same text on it.  Unlike other mason jar lids, this Kilner lid is a single piece.

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Cube #31

 

Small cube inside a Ball pint mason jar.  These are slightly taller than a regular pint jar.  Instead of straight walls and a shoulder from the standard mason jar, these just taper down.  A small Ball wordmark is on the front.  The taper makes it too small to fit the top of a regular cube.

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Cube #30

 

Two cubes inside a Kerr mason jar.  Front has Kerr wordmark with "Self-Sealing" below.  And "Mason" below that.  No lid, so replaced with two-piece modern Ball lid.  Kind of fitting since Kerr was bought out by Ball.

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Cube #29

 Two cubes inside a quart Presto mason jar.  Front has Presto wordmark with "Supreme Mason" underneath.  Bottom has "Owens Illinois" and "Pacific Coast Company" embossed in a circle.  This jar came without a lid, so I capped it with a modern two-piece Ball lid.

Update: Found a second Presto jar, so now there's two of them.

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Cube #27

 

Small cubes in mason jar.  Ball Perfect Mason jar in pint size.  The different dimensions in pint jars means that sometimes, a regular cube cannot fit.  In this case, two small cubes barely fit in, unlike the previous pint jar.

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Cube #26

 

Small cube in mason jar.  Pint-sized Ball Perfect Mason jar.  While most quart-sized jars can easily hold two regular cubes, pint-sized jars are tighter and some have different fits.

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Cube #25

 

Cube in a jar.  Ball mason jar released for their 100th anniversary.  The front side has the Ball logo with "Improved" under it.  The left side has milliliters and ounces markings.  The back has text "1913-1915" "100 years of American heritage" "Made in U.S.A."  The glass color is purple.

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Cube #11

 Two cubes inside a blue Ball quart mason jar.  Cursive "Ball" and regular "Perfect Mason" on the front.  Ball is not underlined.  An air bubble next to "Perfect" makes it look like a period was placed there.  Jar did not have a lid, so I paired it with a Ball zinc and porcelain I had.

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Cube #9

 

Two cubes in a Atlas quart mason jar.  Unlike most mason jars with a screw lid, this jar uses tension in a wire to hold a glass lid on top.  "Atlas" "E-Z" and "Seal" on the front.  Many bubbles throughout the glass, most notably, one on the neck almost centered with the "Atlas".  The bottom has "Atlas" "E-Z Seal" and "Trade Mark Reg." on it.  The wire is heavily corroded.  Likely one of the oldest jar, being around 100 years old.

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Cube #7

 

Two cubes inside a Ball quart mason jar.  Cursive "Ball" logo on front with "Mason" underneath.  One side has cups/ounces measurements and the other side has milliliters measurement.  The back has an image of fruits, suggesting the common usage of preserving fruits in the jar.

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Cube #5

 

Cube inside a Home branded pint mason jar.  Front says "Home" in cursive with "Mason Jar" below.  Left side has milliliters makings while the right side has ounces and cups markings.  "Made in USA" is also seen along the bottom of the jar.  Missing lid was replaced with a Ball two-piece lid.  This is likely a modern mass-produced generic mason jar.

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Cube #4

A lucky thrift shop find, a light blue Atlas quart mason jar. One the front is embossed lettering "Atlas" "Strong Shoulder" and "Mason".  Originally found without the lid, I have paired it with a zinc/porcelain Atlas lid.  Like many glass jars of the time, many bubbles can be see in the glass.  Notably, quarter inch bubbles, two above the 'A' and 'S' in Atlas and one (not pictured) on the bottom, with a few smaller ones around the jar.

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Cube #3

 

Some containers have enough room to fit multiple cubes.  This is a generic quart mason jar.  I got this jar without a lid, so I slapped a replacement Ball lid on top.  There is a nice ml/fl oz scale on the side.  This is a regular mouth jar, which is small enough to not fit a cube through whole.  Wide mouth jars are big enough for full cubes.

With a wide lid, room to rotate, and a short neck, the top cube is one of the easiest cubes to solve in place.

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