6.2 Oldest Rules

The 25 oldest rules in the collection are presented below. For items in this list for which only a date range or educated guess (circa) is known, the earliest year is used.

Maker	Model		Year	Type	Mat	L0	Lx
Jacob and Halse	Sector		1809	L	iv	5	12
Gill	Comparative Rule		1816-1824	L	wd	9	9
Gill	Proof Rule		1816-1824	L	wd	9	9
noID	Gunter Rule		1820	L	wd	12	24
Davies	Routledge Engineer		1840	L	wd	11	12
Palmer	Palmer’s Computing Scale		1843	C	pp	27	11
Palmer	Palmer’s Pocket Scale		1845	C	pp	10	3
Dring and Fage	Excise Officers Rule		1845-1849	L	wd	8	10
Stanley	No. 15		1858	L	wd	11	12
noID	Comparative Rule		1880	L	wd	9	9
Dring and Fage	Inland Revenue Rule		1883-1902	L	wd	12	24
Faber	360		1897	L	wd	10	10
K&E	American/Favorite		1898	L	wd	10	10
Faber	365		1898-1900	L	wd	10	10
E.S.A. London	Harrow Mark Reducer		1898-1925	L	wd	11	36
Faber	367		1899-1902	L	wd	10	10
K&E	4041		1900	L	wd	10	10
K&E	American		1900	L	wd	10	10
K&E	4054		1900-1914	L	wd	10	10
K&E	4041		1901	L	wd	10	10
Dietzgen	1765		1902-1912	L	wd	10	10
Faber	350		1903	L	wd	10	10
Dietzgen	MultiplexProto		1905-1907	L	wd	10	10
Kolesch	2574 Mannheim		1905-1911	L	wd	10	10
Kolesch	2713 Stadia		1905-1911	L	wd	10	10

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