Reeds Astro Navigation Tables 2025
1 × £27.00 Chief Officer's Logbook Clutha 3 Months
1 × £30.00 International Code Flags Flip Cards
1 × £10.00 Subtotal: £67.00
£65.00 ex VAT
In StockAvailable on back-order
Hydrometer for measuring the apparent density in kg/litres, used for ship draft survey calculations. Supplied with certificate. 330mm long and adjusted at 15C.
Product Specifications:
Material: Soda glass, steel shot ballast, Synthetic wax resin
Range: 0.99 to 1.04
Accuracy: +/-0.005 kg/l
Divisions: 0.005
Bulb Diameter 26mm
Overall Length: 330mm
Hydrometer Weight: 67g
Total Weight: 116g (including certificate and protective plastic tube)
| Weight | 0.116 kg |
|---|---|
| Dimensions | 33 × 1 × 1 cm |
200mm set square features protractor markings and compass points with reciprocals in red, the scale is in millimeters.
7″ brass pencil compass.
Brass Chart Weight
A bright blue directional arrow prevents accidental reciprocal bearings and the edges are graduated for tide and boat speed. Fixed grid base helps plotting lat. and long. from GPS
Staedtler eraser removes graphite marks from paper, matt drafting film or overhead transparencies virtually residue-free and with only minimal crumbling.
This simple to use slide rule from Blundell Harling calculates the third variable given the other two (i.e. distance covered, given speed and elapsed time).
