![]() Click thumbnail for a larger image. | Description: Square - owned by Thomas Cullen. Shipwright Battery Point. The pear shaped hole indicates possible use as an early means of establishing true vertical. Format: realia Object: drawing instruments Titles: Thomas Cullen's Square Rule Subjects: office equipment Institution: Maritime Museum of Tasmania Object number: MMT_A_1984-042 Disclaimer The content of this record is provided by Maritime Museum of Tasmania. For any questions about the content please contact them. |