Lot #: 02300
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1790 The Low Countries - A ship's hour glass
A ship's hour glass |
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$1750 / ≈ €1504This item is available for immediate sale! Questions before Buying ?
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Description
The element common to celestial position-finding, the calculation of speed for dead reckoning and even everyday life at sea is the time: hence ways of determining and keeping the time have been one of the major pre-occupations of seamen since the very beginning of scientific navigation. Counting the number of days or moons provides one elementary basis of measurement. However, the hours of the day had to be divided and marked more precisely. Sand-glasses are simply clepsydras filled with sand.
They are very early instruments for measuring the elapsed time and were to be found onboard ships from the 14th century onwards. The two conical phials are separated by a disc perforated with a calibrated hole and bound together with a network of threads. The very fine sand with which sand-glasses were filled was generally finely crushed eggshell or black powdered marble.
On board ship the half-hour glass was turned on the dot of moon and than at each half hour until the next day. It soon became common to strike the watch bell whenever the glass was turned.
Sand-glass is running for 12 minutes. Tread around glass ampoules were probably replaced around 1920.
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Paulus Swaen warrants the authenticity of our items and a certificate of authenticity is provided for each acquired lot.
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Color Key
We offer many maps in their original black and white condition. We do not systematically color-up maps to make them more sellable to the general public or buyer.
Copper engraved or wood block maps are always hand colored. Maps were initially colored for aesthetic reasons and to improve readability. Nowadays, it is becoming a challenge to find maps in their original colors and are therefor more valuable.
We use the following color keys in our catalog:
Original colors; mean that the colors have been applied around the time the map was issued.
Original o/l colors; means the map has only the borders colored at the time of publication.
Colored; If the colors are applied recently or at the end of the 20th century.
Read more about coloring of maps [+]
Shipping fee
A flat shipping fee of $ 30 is added to each shipment by DHL within Europe and North America. This covers : International Priority shipping, Packing and Insurance (up to the invoice amount).
Shipments to Asia are $ 40 and rest of the world $50
We charge only one shipping fee when you have been successful on multiple items or when you want to combine gallery and auction purchases.
Read more about invoicing and shipping
FAQ
Please have a look for more information about buying in the BuyNow gallery
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This item is available for immediate purchase when a "Add to Cart" or "Inquire Now" button is shown.
Items are sold in the EU margin scheme
Payments are accepted in Euros or US Dollars.
Authenticity Guarantee
We provide professional descriptions, condition report (based on 45 years experience in the map business)Paulus Swaen warrants the authenticity of our items and a certificate of authenticity is provided for each acquired lot.
Condition and Coloring
We indicate the condition of each item and use our unnique HiBCoR grading system in which four key items determine a map's value: Historical Importance, Beauty, Condition/Coloring and Rarity.
Color Key
We offer many maps in their original black and white condition. We do not systematically color-up maps to make them more sellable to the general public or buyer.
Copper engraved or wood block maps are always hand colored. Maps were initially colored for aesthetic reasons and to improve readability. Nowadays, it is becoming a challenge to find maps in their original colors and are therefor more valuable.
We use the following color keys in our catalog:
Original colors; mean that the colors have been applied around the time the map was issued.
Original o/l colors; means the map has only the borders colored at the time of publication.
Colored; If the colors are applied recently or at the end of the 20th century.
Read more about coloring of maps [+]
Shipping fee
A flat shipping fee of $ 30 is added to each shipment by DHL within Europe and North America. This covers : International Priority shipping, Packing and Insurance (up to the invoice amount).
Shipments to Asia are $ 40 and rest of the world $50
We charge only one shipping fee when you have been successful on multiple items or when you want to combine gallery and auction purchases.
Read more about invoicing and shipping
FAQ
Please have a look for more information about buying in the BuyNow gallery
Many answers are likely to find in the general help section.
My Collection+
With My Collection+ you can collect all your favorite items in one place. It is free, and anyone can create his or her virtual collection.
Unless you are logged in, the item is only saved for this session. You have to be registed and logged-in if you want to save this item permanently to My Collection+. Read More[+]
Register here, it is free and you do not need a credit card.
Add this item to My Collection+ or click the following link to see My Collection+.
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A ship's hour glass
1790 The Low Countries - A ship's hour glass
$1750 / ≈ €1504
Date: ca. 1790
