Manufacturer:	Mary Dicas
Country of Manufacture:	England
Type:	Ivory Proof Slide Rule
Number:
Date of Manufacture:	~1800
Scales: (Front)	2 scales [ 2 scales] 2scales
Scales: (Back)	1 scale [ 2 scales] 2 scales
Number of Scales:	11
Gauge Points:
Slide Rule made from:	Ivory
Cursor made from:	None
Cursor Lines:
Overall Length of Rule:	7 1/4"
Length of Scales:	7 1/4"
Width:	1 1/2"
Depth:	1/16"
Weight:	27 gms
Acquired from:	Barry Learoyd
Date:	Sep 2001
Condition:	Good
Accessories:	No case
Comments: