6.3 Youngest Rules

The 25 youngest 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
Shanghai Slide Rule Factory	Flying Fish 1003		1980	L	pl	10	10
Shanghai Slide Rule Factory	Flying Fish 1004		1980	L	pl	10	10
Pickett	X-3		1975	L	Al	10	10
Shanghai Slide Rule Factory	Flying Fish 1200		1975	L	pl	5	5
Relay-Ricoh	151		1974	L	bb	10	10
C-Thru	S-96		1973	C	pl	15	6
Pickett	N902-ES		1973	L	Al	10	10
Aristo	867U		1972	L	pl	5	5
Dietzgen	1776		1972	L	pl	5	5
Dietzgen	B-1725L		1972	L	bb	10	10
Faber-Castell	52/82		1972	L	pl	10	10
Faber-Castell	62/83		1972	L	pl	5	5
Hemmi	258		1972	L	bb	10	10
Relay-Ricoh	150		1972	L	bb	10	10
Sterling	587		1972	L	pl	5	5
Sterling	694		1972	L	pl	10	10
Sterling	694		1972	L	pl	10	10
Hemmi	258		1971	L	bb	10	10
Hemmi	Pocket Versalog II		1971	L	bb	5	5
Reiss	3223 Progress		1971	L	Al	10	10
Blundell Rules Limited	506 Academy Duplex		1970-1980	L	pl	10	10
Dietzgen	1771		1970-1972	L	pl	5	5
Aristo	958		1970	L	pl	10	10
Boots Ringplan	Precision Log Log		1970	L	pl	5	5
C-Thru	PS-79		1970	C	pl	16	6

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