Post Slide Rule Archive...List Page 2

Welcome To The Sphere Research Slide Rule Site ! The POST Slide Rule Archive
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The Frederick Post Co., P. O. Box 803, Chicago, Illinois 60690

Question marks indicate uncertainty, blanks indicate a more significant level of ignorance.
Where a surface is known to be blank, 0 or blank is used.
Colors indicate country of origin. Blue = U.S.A., Red = Japan, Green = Germany, Black = unknown.

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- Model Number -	Type	Length	Material	Front	Back	Dates	Comment
Catalog Number and Name Names in italics actually appear on the rule. Other names are common usage or taken from catalogs. Post brand slide rules are usually labeled with model number and the Post trademark or Frederick Post Co.	Type: Mannheim Duplex Simplex Circular Etc. Simplex means a duplex rule that has no calculating scales on the backs of the stators.	Nominal Length in Inches (Most 10-inch slide rules have scales that are actually 250 mm long--slightly shorter than 10 inches.)	What the rule is made of, such as wood, plastic, unobtanium, etc.	Scales on Front For mannheim rules only, this also includes any measuring scale on top edge set off with // or \|\|. 'cm //' indicates a centimeter scale on a slanted surface; '0 \|\|' indicates a vertical surface with no scale.	Scales on Back For mannheim rules only, this also includes any measuring scale on bottom edge set off with // or \|\|. Measuring scales are given wherever they are known. If nothing is shown, scale is not known.	Our guess about when the rule was made or available. If we have only one reference, that date is given.	Other interesting information such as original catalog price, what rule it was made from, or is similar to, etc.
1440 Post Engineer's	Mannheim	10	Bare Boxwood	cm // A [B, C] D	? // cm	1903	Brass Indicator. Dennert & Pape? $4.00.
1440 Faber's Slide Rule for School Use	Mannheim	10	Painted Wood	cm // A [B, C] D		1910	Celluloid indicator? $3.00.
1440 Post High School Mannheim	Mannheim	10	Bare Boxwood	0 \|\| A [B, C] D	[L] \|\| 0	1925-31	Celluloid indicator. Faber-Castell? $1.20 in 1927.
1440 Post Vest Pocket	Mannheim	4	Celluloid Bamboo	4 in // A [B, C] D	[S, L, T] \|\|10 cm	1936	Hemmi 30.
1441 Post Improved Engineer's	Mannheim	10	Celluloid Mahogany	cm // A [B, C] D	[S, L, T]	1903	Aluminum-framed glass indicator; 3 hairlines. Dennert & Pape? $4.50.
1441 Faber's Slide Rule	Mannheim	10	Painted Wood	cm // A [B, C] D		1910	1440 w glass indicator. $3.50.
1441 Post Vest Pocket with Magnifying Cursor without CI Scale	Mannheim	4	Celluloid Bamboo	4 in // A [B, C] D	[S, L, T] \|\|10 cm	1936	Hemmi 32.
1441 Post Vest Pocket with Magnifying Cursor with CI Scale	Mannheim	4	Celluloid Bamboo	4 in // A [B, CI, C] D	[S, L, T] \|\| 0	1949 +	Hemmi 32. $5.95 c 1967.
1442 Post Five-Inch Pocket	Mannheim	5		A [B, C] D	[S, L, T]	c. 1923?	German 'Open, divided.'
1442 Post Improved Engineer's	Mannheim	20	Celluloid Mahogany	A [B, C] D	[S, L, T]	1903	Aluminum-framed glass indicator. $17.00.
1442 Faber's Slide Rule for School Use	Mannheim	10	Celluloid Wood	cm // A [B, C] D		1910	1441 w celluloid facing. $3.50.
1442 Post High School Mannheim	Mannheim	10	Celluloid Mahogany	in \|\| A [B, C] D	[L] \|\| cm	1925-31	Metal-framed glass indicator. Faber-Castell. $3.60 in 1927.
1442 Post Dual Slide Rule	Duplex	5	Celluloid Wood	K, A [B, S, T, C] D, DI	[L, C2, C1] D1, D2, D	WW II	Charvoz-Roos SR-108. Plastic ends. $6.50 in 1945.
1443 Post Engineer's	Mannheim	10	Metal	A [B, C] D	[S, L, T]	1903	Brass Indicator. $12.00.
1443 Faber's Slide Rule for School Use	Mannheim	5	Celluloid Wood	cm // A [B, C] D		1910	5-inch version of 1442. $3.00.
1443 Post	Mannheim	10	Painted Wood	A [B, C] D	[S,L,T]		Post's 1443 on box, Albert Nestler on rule.
1443 Post Vest Pocket Extra Thin	Mannheim	5	Celluloid Bamboo	5 in // A [B, C] D	Blank \|\| 0	1932 - WW II	Hemmi 34P. $1.35 in 1932.
1444 Post	Mannheim	10		cm // A [B, C] D	[S, L, T]	c. 1923?	German.
1444A Post Rietz	Mannheim	10		F, A [B, C] D, E	[S, L, T]	c. 1923?	German.
1444 Faber's Improved Calculating Rule	Mannheim	10	Celluloid Wood	cm // A [B, C] D		1910	Celluloid facing, glass indicator. $4.00.
1444A Faber's Improved Slide Rule	Mannheim	10	Celluloid Wood	in // A [B, C] D	[S, L, T] \|\| cm	1910	A. W. Faber-Castell 360. $4.50.
1444B Faber's Improved Slide Rule	Mannheim	20	Celluloid Wood	in // A [B, C] D	[S, L, T] \|\| cm	1910	20-inch version of 1444A. $12.00.
1444C Faber's Improved Slide Rule, Electric	Mannheim	10	Celluloid Boxwood	in? // A [B, C] D	// cm	1910	'Without decimals.' $5.00.
1444 Post Standard Mannheim	Mannheim	10	Celluloid Wood	in? // A [B, C] D		1921	Same as 1444 Faber.
1444A Post Standard Mannheim	Mannheim	10	Celluloid Wood	in // A [B, C] D	[S, L, T] \|\| cm	1921	Same as 1444A Faber.
1444C Post Standard Mannheim (Electric)	Mannheim	10	Celluloid Boxwood	in // A [B, C] D	[S, L, T] \|\| cm	1921	Same as 1444C Faber.
1444 Post Students' Mannheim	Mannheim	10	Bare Boxwood	0 \|\| A [B, C] D	[S, L, T] \|\| 0	1925 - 31	1440 plus S & T. Faber-Castell. $1.38 in 1927.
1444 Post Vest Pocket Extra Thin	Mannheim	5	Celluloid Bamboo	5 in // A [B, CI, C] D	[S, L, T] \|\| 0	1936 - WW II	Shorter than later 1444, 1444K. Hemmi 34R.
1444K Post Vest Pocket	Mannheim	5	Celluloid Bamboo	5 in // A [B, CI, C] D, K	[S, L, T] \|\| 0	1940, 1946+	Hemmi 34RK with inches instead of cm. $4.25 in 1949.
1444K Post Vest Pocket Variant: Labeled Post 1444 but sold as Teledyne Post 1444K.	Mannheim	5	Celluloid Bamboo	5 in // A [B, CI, C] D, K	[S, L, T] \|\| 0	1971	1444K on case.
1444D Post Commerce (Made in USA)	Mannheim	5	Celluloid Wood	0 \|\| A [B, CI, C] D, K	[S, L, T] \|\| 0	WW II	Charvoz-Roos PSR-102. No inch or cm scale. $2.25 in 1944.
1444D Post Commerce Variant: No brand name or model number, only Made in U.S.A.	Mannheim	5	Celluloid Wood	0 \|\| A [B, CI, C] D, K	[S, L, T] \|\| 0	WW II	Same as above.
1444P Post Five-Inch Plastic. Made in U.S.A.	Mannheim	5	Plastic	12.5 cm // A [B, CI, C] D, K	[S, L, T] // 5 in	WW II-	Bruning 2401; cursor by Bruning, Post or Hemmi. Hemmi magnifying cursor also available. $3.75 in 1944.
1444P Post Five-Inch Plastic Variant: No brand name or model number, not even 'Made in U.S.A.'	Mannheim	5	Plastic	12.5 cm // A [B, CI, C] D, K	[S, L, T] // 5 in	WW II-	As above. Post case and cursor.

POST Slide Rules