||Weems & Plath GPS
Plot GPS positions and waypoints faster
and more easily than ever with the GPS
Plotter. Just read your GPS and place
the plotter's alignment holes on your
chart's latitude and longitude scales.
Then, open the plotter and mark--your fix is
instantly plotted. It also can be used
as a conventional plotter/protractor and
|Weems & Plath ParaLock
Compact and quick position plotter can also
be used as a conventional parallel rule,
protractor, or ruler. Particularly
useful for smaller or folded charts.
Enables transfer of GPS positions rapidly
& Plath Course Plotter
15" plotter features:
- A semi-circular protractor scaled from
180o to 360o
- Lower edge scaled 1:80,000 and
1:40,000 to accommodate NOAA
- Upper edge is scaled 1" = 20
miles to coordinate with VP-OS
Universal Plotting Sheets.
Weems Parallel Plotters
Parallel Plotters--simple plotters
mounted on a roller that can only move in a
parallel direction--are some of the most
popular instruments with our customers.
They're easy to use for laying out or
measuring courses. Features include:
- Two sizes
- Compact--just 8" X 2"
for tight work spaces
- Standard--13" X 3"
- Distance scales at 1:20,000, 1:40,000,
and 1:80,000--ideal for NOAA charts
- Semi-circular protractor for measuring
courses and bearings against a meridian
- Quarter circle protractor for
measuring courses and bearings against a
parallel of latitude (standard model
||Three Arm Protractor
Three Arm Protractors are favored
by many of our commercial customers.
This model features heavy, clear acrylic
construction with arms that are rigid enough
to trace a bearing line.
Three Arm Protractors can be used to
position and chart from three identifiable
shore, landmark, or buoy locations.
Just measure the angles on the protractor's
scale to locate your position on the chart.
Portland Plotters--also known as
Breton Plotters-- are the plotters of choice
for commercial navigators. This heavy-duty model features:
- A moveable compass rose
grid. When aligned on chart
parallels it automatically sets the
drawing edges on the course bearing
- Variations can be pre-set on the
moveable rose for easy compass bearing
- Edges are graduated in inches and
- Large numbers make the plotter easy to
read under difficult conditions
||Bi-Rola™ Rolling Plotters
Bi-Rola Plotters' patented horizontal and
vertical rolling motion simplifies course
and plotting calculations with a unique
radial arm that allows automatic compass
corrections in course plotting. It's
the most completely self-contained plotting
device available featuring:
- Four-way rolling motion
- Roller body with protractor markings
and a nautical mile scale
- Radial arm with Loran interpolator
scales and 200 mm rule
- Automatic compass corrections
- Speed-distance-time calculators
- Two sizes--14" standard and
20" professional models
||Weems & Plath
Compute-A-Course is a compact,
multi-purpose plotting tool that's ideal for
recreational or commercial navigators.
Use it for:
- Position fixing
- Course plotting
- Distance Measurement (scales included)
- Speed-distance-time calculations
||Weems & Plath Square
This plain edge 5" protractor is
suitable for plotting courses and bearings.
Your notations can be made directly on the
matte plastic surface with a pencil.
Constructed of durable transparent
plastic. Instructions included.