Portland Speed Time Distance Calculator (Small)
Portland Speed Time Distance Calculator (Small) additional 1Portland Speed Time Distance Calculator (Small) additional 2

£7.65

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Description

This small Speed/Time/Distance Calculator is a must have for any mariner, or for use at night school. Working on the slide rule principle the navigator enters two parts of the equation to get an instant answer on the third part. This is also available in a larger size.

  • 170mm (approx 7") Long.

Code: 1602

Customer Reviews4.75 4.7/5 Based on 3 reviews

5

ExcellentReviewed by Ian.davis5615 on 15 Jul 2021

Happy with this

5

SimpleReviewed by Simpsonda on 14 Nov 2019

Simple and no batteries

4

Christmas giftReviewed by Anonymous on 23 Dec 2016

Bought for my son as a gift for Christmas as it was requested on his list. Speedy delivery and would use this company again

Delivery

UK Postage & Packing Charges

These rates apply to standard UK delivery only: (all British Isles including BFPO & Channel Islands).

Orders placed before 3pm will be dispatched the same day, orders after that time will be sent the next working day (excluding Saturdays), subject to the item being in stock.

Delivery on all Admiralty charts only £2.

Mainland & Northern Ireland UK Delivery Rates

Delivery OptionDelivery TimeSigned ForCost
Royal Mail 48 UK & N.Ireland (0-500g)2 - 3 Working DaysYes£4.50
Royal Mail 48 UK & N.Ireland (500g-1kg)2 - 3 Working DaysYes£4.50
Royal Mail 48 UK & N.Ireland (1kg-1.25kg)2 - 3 Working DaysYes£4.50
Royal Mail 48 UK & N.Ireland (1.25kg-1.5kg)2 - 3 Working DaysYes£4.60
Royal Mail 48 UK & N.Ireland (1.5kg-1.75kg)2 - 3 Working DaysYes£4.90
Royal Mail 48 UK & N.Ireland (1.75kg-2kg)2 - 3 Working DaysYes£5.21
Royal Mail 48 UK & N.Ireland (2kg-3kg)2 - 3 Working DaysYes£5.83
Royal Mail 48 UK & N.Ireland (3kg-5kg)2 - 3 Working DaysYes£9.13
Royal Mail 48 UK & N.Ireland (5kg-8kg)2 - 3 Working DaysYes£11.51
Royal Mail 48 UK & N.Ireland (8kg-10kg)2 - 3 Working DaysYes£15.90
Royal Mail 48 UK & N.Ireland (10kg-12kg)2 - 3 Working DaysYes£18.83
Royal Mail 48 UK & N.Ireland (12kg-14kg)2 - 3 Working DaysYes£21.76
Royal Mail 48 UK & N.Ireland (14kg-16kg)2 - 3 Working DaysYes£24.68
Royal Mail 48 UK & N.Ireland (16kg-18kg)2 - 3 Working DaysYes£27.61
Royal Mail 48 UK & N.Ireland (18kg-20kg)2 - 3 Working DaysYes£30.54
Royal Mail 48 UK & N.Ireland (20kg+)2 - 3 Working DaysYes£33.47
Next Day (0-500g)2 - 3 Working DaysYes£8.70
Next Day (500g-1kg)2 - 3 Working DaysYes£10.02
Next Day (1kg-2kg)2 - 3 Working DaysYes£12.18
Next Day (2kg-10kg)2 - 3 Working DaysYes£29.52
All Standard Orders Over £1002 - 3 Working DaysYesFREE
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International Orders

Our international orders are sent using Royal Mail's Airmail service. 

Delivery is calculated based on the weight of your order and is displayed in your cart prior to purchase.

All taxes and duties incurred once the shipment has reached the destination country are the responsibility of the customer.

If delivery options are not available for your country, please get in touch with us directly for a quote.

Delivery OptionDelivery TimeSigned ForCost
International Tracked & Signed (0-500g)3 - 7 Working DaysYes£23.00
International Tracked & Signed (500g-1kg)3 - 7 Working DaysYes£28.00
International Tracked & Signed (1kg-1.25kg)3 - 7 Working DaysYes£30.00
International Tracked & Signed (1.25kg-1.5kg)3 - 7 Working DaysYes£34.00
International Tracked & Signed (1.5kg-1.75kg)3 - 7 Working DaysYes£36.00
International Tracked & Signed (1.75kg-2kg)3 - 7 Working DaysYes£39.00
International Tracked & Signed (2kg-3kg)3 - 7 Working DaysYes£50.00
International Tracked & Signed (3kg-5kg)3 - 7 Working DaysYes£72.00

Returns

The Sea Chest are happy to offer a full refund for goods returned in saleable condition, providing we are notified within 14 days of receipt. This policy does not affect your statutory rights.

Printed On Demand Admiralty Charts Returns Policy

As all of our Admiralty Charts are now Printed On Demand (i.e. when you order them), we can no longer refund the full cost of your order if you wish to return it. We will refund 40% of your order total in order to cover our costs.

To that effect, please make sure that you are happy with the coverage area of your chart prior to buying. If you have any questions before purchasing, please don't hesitate to contact us.