Very weird glass bottles with hole in the bottom and with tops. Does anyone know what they are? — Historic Glasshouse forum
![Journal. ned cork, which must bewater-tight. This portion of the apparatus is then placed, neckdownward, over a large glass jar in which stands anarrow cylinder filled with water. The cylinder isto Journal. ned cork, which must bewater-tight. This portion of the apparatus is then placed, neckdownward, over a large glass jar in which stands anarrow cylinder filled with water. The cylinder isto](https://c8.alamy.com/comp/2CERJTD/journal-ned-cork-which-must-bewater-tight-this-portion-of-the-apparatus-is-then-placed-neckdownward-over-a-large-glass-jar-in-which-stands-anarrow-cylinder-filled-with-water-the-cylinder-isto-be-in-such-a-position-that-the-end-of-the-funnel-tube-will-dip-into-the-liquid-contained-in-the-cylinder-through-the-centre-of-the-bottom-which-was-cutoff-the-bottle-a-hole-of-at-least-jf-of-an-inch-indiameter-is-drilled-the-bottom-is-then-put-into-itsoriginal-position-on-the-bottle-and-fastened-bygluing-strips-of-paper-over-the-joint-the-hole-inthe-bottom-is-loosely-closed-by-a-cork-through-2CERJTD.jpg)
Journal. ned cork, which must bewater-tight. This portion of the apparatus is then placed, neckdownward, over a large glass jar in which stands anarrow cylinder filled with water. The cylinder isto
![Ladna Handmade Ecological Recycled Glass Terrarium Jar Vase H:30cm D:19cm W-395E+side hole+lid : Amazon.co.uk: Home & Kitchen Ladna Handmade Ecological Recycled Glass Terrarium Jar Vase H:30cm D:19cm W-395E+side hole+lid : Amazon.co.uk: Home & Kitchen](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/31vYZHzkAdL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)