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2. French catheter scale - Wikipedia

   en.wikipedia.org/wiki/French_catheter_scale

   However, the term gauge, abbreviated G or ga, typically refers to the Birmingham gauge for hypodermic needles. [ 1 ] The French scale measures and is proportional to the outer diameter of a catheter, with 1 French (Fr) defined as 1 ⁄ 3 millimeter, making the relationship: 1 mm = 3 Fr.

3. Needle gauge comparison chart - Wikipedia

   en.wikipedia.org/?title=Needle_gauge_comparison...

   Needle gauge comparison chart. 5 languages. Català ... Print/export Download as PDF; Printable version; In other projects ...

4. Birmingham gauge - Wikipedia

   en.wikipedia.org/wiki/Birmingham_gauge

   The Birmingham gauge ranges from 5/0 or 00000, the lowest gauge number corresponding to the largest size of 0.500 inches (12.7 mm), to 36, the highest gauge number corresponding to the smallest size of 0.004 inches (0.10 mm). The increments between gauge sizes are not linear and vary. [2] At higher gauge numbers, the increment between the two ...

5. Injector pen - Wikipedia

   en.wikipedia.org/wiki/Injector_pen

   Today, pen needles are manufactured at shorter needle lengths than required for typical vial and syringe administration, which decreases the pain associated with injection. [2] They are available in multiple lengths and gauge of needle , including 3.5mm, 4mm, 5mm, and 8mm lengths, and 31 through 34 gauge. [ 8 ]

6. Yarn weight - Wikipedia

   en.wikipedia.org/wiki/Yarn_weight

   A more hands-on method, there is the test swatch and the gauge swatch. Knitting a test swatch requires knitting the yarn into a small, roughly 4 in (10 cm) square textile of even stitches. [4] Comparing this with recommended needle sizes, yarn, and the knitter's own signature tension, allows for adjustments to all of these things.

7. List of rail transport modelling scale standards - Wikipedia

   en.wikipedia.org/wiki/List_of_rail_transport...

   This gauge is represented by the EM Society (in full, Eighteen Millimetre Society). 00 track (16.5 mm) is the wrong gauge for 1:76 scale, but use of an 18.2 mm (0.717 in) gauge track is accepted as the most popular compromise towards scale dimensions without having to make significant modifications to ready-to-run models. Has a track gauge ...

8. Hypodermic needle - Wikipedia

   en.wikipedia.org/wiki/Hypodermic_needle

   Various needle lengths are available for any given gauge. Needles in common medical use range from 7 gauge (the largest) to 34 (the smallest). 21-gauge needles are most commonly used for drawing blood for testing purposes, and 16- or 17-gauge needles are most commonly used for blood donation, as the larger luminal cross-sectional area results ...

9. Wire gauge - Wikipedia

   en.wikipedia.org/wiki/Wire_gauge

   Comparison of SWG (red), AWG (blue) and IEC 60228 (black) wire gauge sizes from 0.03 to 200 mm² to scale on a 1 mm grid – in the SVG file, hover over a size to highlight it. The first attempt to adopt a geometrical system was made by Messrs Brown & Sharpe in 1855.