Frederick Post models 1440-48 [1903]

Frederick Post models 1440-43 [1903]

Specimen scans not available.
	Model 1440 appears to be same as Dennert & Pape model 344 (1905-06 D&P Catalog) Model 1441 appears to be same as Dennert & Pape model 338 (1905-06 D&P Catalog) Model 1442 appears to be same as Dennert & Pape model 339 (1905-06 D&P Catalog) There is no slide rule similar to model 1443 in the 1905-06 D&P Catalog. Catalog numbers 1445-1448 are for A. W. Faber (not "Frederick Post") slide rules.