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Format Physical Object Remove constraint Format: Physical Object Rights Public Domain Mark 1.0 Remove constraint Rights: Public Domain Mark 1.0 Subject Breast pumps Remove constraint Subject: Breast pumps

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  1. Long stem, round bottom flask with custom flange. Needle-size hole on opposite side of flange allows for release of pressure.

  2. Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round black rubber pump attached to one end of the glass.

  3. Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round red rubber bulb attached to one end of the glass. Stamp in black ink on red bulb reads "Ingram's/'Omega'/London."