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The Navigational Instruments
Yıldız Küresi
1914-1950 yılları arasında Türk donanmasına hizmet etmiş Yavuz Kruvazörü'ne ait bir seyir aletidir. Küre ahşap bir kutu içerisindedir. Üzerinde "The Husun Starglobe H. Hugles & Sson Ltd. London 1920" yazısı bulunmaktadır.
Dürbün
19. yüzyıl İngiliz yapımıdır. 1829-1874 yılları arasında Osmanlı donanmasına hizmet etmiş Mahmudiye Kalyonu'na aittir. Pirinç ve köseleden imal edilmiştir.
Parakete Hesap Levhası
19.yüzyılda imal edilmiştir. Geminin süratini ve denizde kat ettiği mesafeyi ölçmeye yarayan bir seyir aletidir.
Astrolabe
This object is an astronomic device used to determine the altitude of the sun and the other celestial bodies and the distance among them. The instrument was made according to the coordinate of Damascus for Eyyubi Sultanı El-Muazzam Serif El-Dunya Velidin Isa Ebu Bekir. The astrolabe made by Baalbekli Abdurrahman Ibn Sinan El-Nacar was made of brass and silver.
Inclinometer
This Piece belongs to Corvette Fethi Bülend. It was produced in Ottoman Navy in 1892. On the brass indicator writes Fethi Bülend. It shows the angle of roll.
The Log with Propeller
This piece was made in Imperial Dockyard in 1901. It measures speed and distance.
Compass
This compass was made by Lieutenant İhsan Efendi in Imperial Dockyard in 1900. It is in a wooden case and its compass card is made out of paper. The compass indicating the direction is an optical navigational instrument.
Chronometer
The chronometer - of Corvette Peyki Şeref – belongs to the end of 19th century. Its dial plate is mother of pearl and in its inside and on the case writes “Peyki Şeref”. Its wooden case is decorated with latticework metal. With its minimized margin of error, the compass is highly sensitive.
Torpedo Director
This piece is used in taking aim at by adjusting the torpedoes to target, route and speed of the ship.
Compass
The compass the brand of which is "Mathieu Orlich Constantinople" was made in Imperial Dockyard. The compass indicating the direction is an optical navigational instrument.
Sextant
Octant
The instrument made in 19th century in Istanbul belongs to Steamer Voyana serving between 1858 and 1910.