The old Royal Observatory Greenwich :  guide to the collections. 

 - 96 pages :  illustrations ;  26 cm 
<br/><br/><label>ISBN: </label>9781858940694 1858940699 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Royal Observatory, Greenwich--Guidebooks.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Observatories--England--London--Guidebooks.
<br/><br/><label>Subjects--Index Terms: </label>Navigation United Kingdom Guide RGO greenwich meridien Catalog history National Maritime Museum Scientific instrument 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Guidebooks.