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Printable Reference Charts
In this collection
44 templates
R-134a Saturation Reference
Selected low-temperature readings from Parker Sporlan’s pressure–temperature chart. Gauge pressures are referenced to sea level.
Ant Observation Chart
Compare visible characteristics before attempting a species identification. Note the region, season, and nest setting.
Bee Field Comparison
Compare two familiar groups using body shape and the appearance of the abdomen. Observe without disturbing nests.
Caterpillar Field Notes
Record the host plant and body markings before comparing a caterpillar with a regional guide. Observe from a distance.
Clarinet Chalumeau Fingerings
Standard Boehm-system B-flat clarinet, written notes. Cover the thumb hole for F4 and below; leave the register key released.
Conduit Fill Planning Chart
Compute occupied area from the actual conductor type and raceway dimensions. Confirm the allowed fill with the applicable code and installation conditions.
Cousin Relationship Calculator
Count generations up to the nearest shared ancestor on each branch. For two descendant branches of at least two generations, degree is the smaller count minus one; removal is their difference.
Indoor Dew Point Reference
Estimate dew point from air temperature and relative humidity using a Magnus approximation over liquid water. Values are rounded to the nearest °F.
Diamond Measurement Comparison
Compare the measured face-up dimensions and carat weight on individual grading reports. Cut proportions affect apparent size.
Duck Field Comparison
Compare bill shape, profile, and plumage. Sex, season, and age can change a duck’s appearance.
B Flat Euphonium Fingering Chart
Concert-pitch bass clef. These common three-valve combinations cover a B-flat scale.
Full Stop Aperture Sequence
Moving right by one full stop closes the aperture and halves the light, with shutter speed and ISO held constant.
Concert Flute Upper-Hand Fingerings
Common written first-register fingerings on a concert flute. Keep the right-hand little finger on the E-flat key for these notes.
Fractional Drill Bit Size Chart
Compare nominal inch drill diameters in decimal inches and millimeters. Metric differences reflect exact conversion at 25.4 mm per inch.
Garage Door Opening Measurement Chart
Measure the finished opening and clearances, then compare them with the installation requirements of the chosen door and track.
Personal Club Carry Chart
Enter carry yardage for three comparable shots with each club. Record total distance separately when rollout matters.
U.S. Liquid Volume Equivalents
Read across each row for equivalent U.S. customary liquid volumes. A U.S. cup contains 8 U.S. fluid ounces.
24 Hour Time Conversion
Read the hour and minute together. This chart converts clock notation and leaves the time zone unchanged.
International Morse Code
Read each short mark as a dot and each long mark as a dash. Letter and digit pairs are grouped for lookup.
Multiplication Table to Twelve
Choose one factor from the first column and one from the top row. Their intersection gives the product.
Oboe First Register Fingering Chart
Use the first register without an octave key. The numbers refer to left-hand index, middle, and ring fingers.
Periodic Table by Atomic Number
The 118 element symbols are arranged by period and group. The lanthanides and actinides continue in the two separate rows.
Pokémon Type Matchups
Each row names an attacking move type and shows its effect against one defending type. Unlisted defending types take ordinary damage.
Prime Numbers Through 200
A prime is a whole number greater than one with exactly two positive divisors. The chart groups primes into intervals of twenty.