4.8 Years 1960-1969

Number of slide rules: 69.

Some notable technical developments: manned space flight, lasers, mini computer, lunar landing.

Year	Maker	Model
c.1960	Engineering Instruments	250-BT
c.1960	Engineering Instruments	250-V
1960	Faber-Castell	1/54
1960	Faber-Castell	3/11 Statique
1960	Pickett	N531-ES
c.1960	Rietz	UTO 601
c.1960	Rietz	UTO 601
1961	Aristo	1067U
1961	K&E	4158
1961	Relay-Ricoh	F-686
1961-1962	Mims	Aver-O-Matic 121
1962	Graphic Calculator	Percentage Calculator
1962	Hemmi	S40RK
1962	Pickett	N200-T Trig
1962	Pickett	N-500-ES
1962	Pickett	N-550-T
1962	Pickett	N600-T
1962-1963	Felsenthal	Polhemus Celestial Computer
1962-1964	Pickett	101-C
1962-1964	Pickett	N-500-ES
1962-1964	Pickett	N600-T
1963	Aristo	968
c.1963	Dietzgen	1734
1963	Hemmi	258
1964	Hemmi	30
c.1964	Pickett	N600-ES
c.1964	Pickett	N600-ES
1964	Staedtler	54408
1964-1975	Pickett	N3-T
1964-1975	Pickett	N3p-ES
1964-1975	Pickett	N4-ES
1964-1975	Pickett	N200-ES Trig
1964-1975	Pickett	N500-ES
1964-1975	Pickett	N600-ES
1964-1975	Pickett	N600-T
1964-1975	Pickett	N902-ES
1964-1975	Pickett	N902-T
1964-1975	Pickett	N1010-ES
1964-1975	Pickett	N1010-T
1964-75	Pickett	N-500-T
1964-75	Pickett	N909-ES
c.1965	Acu-Rule	Acu-Math 400B
c.1965	Acu-Rule	Acu-Math 1300
1965	Boykin	RotaRule Model 510
c.1965	Dietzgen	1767
1965	Hemmi	Pocket Versalog
c.1965	K&E	68-1892
1965	Otis King	Model K
c.1965	Relay-Ricoh	99-7030
c.1966	Alco	P266
1966	Aristo	969
1966	Hemmi	40RK
1966	Pickett	N3p-T
1966	Ruyi	1002
1967	Dietzgen	N1725
1967	Hemmi	258
1967	K&E	68-1565
1967	K&E	68-1130
1967	K&E	68-1130
c.1967	Thornton	P221
1968	Felsenthal	Dial-A-Con
1968	Hemmi	30
1968	Hemmi	45K
1968	Hemmi	Pocket Versalog
c.1968	Sterling	684
1969	Concise	600ST
1969	Hemmi	258
1969	K&E	68-1100
1969	MATSKU	KL-1