Sargent Type Type 1Type 2Type 3Type 4Type 5Type 6Type 7 Type 8 5400 Series

Type 3 …………….(1902-1909)

** Type 3 has the bent lateral
** Ogee type top frog
**Rosewood knob and tote
** Right handed depth adjuster nut
** Brass knob and tote nuts(13/32″ in diameter)
** Round heads on frog screws
** Most type 3’s have a Two piece Brass Cutter Adjuster knob with steel insert, but i have seen some slid brass
**Rosewood knob and tote
** Right handed depth adjuster nut
**Rosewood knob and tote (Low Knob)

 

 

Here is the pivot lateral, the second lateral  they used.

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A form of confusion is the way Sargent did the type 2 and 3 laterals. The patent date is the same for both the first and second type lateral. They were issued the same day Feb 3rd 1891. So they may have been used in tandem, which gets confusing. For example, even though the 5400 series went to 1909, the 5400 series may have all had horseshoe laterals, even though the 400 series went from a type 2 (horseshoe lateral) to a type 3 (pivot lateral). Note both have the twisted end. Whether the 5400’s used both laterals is still a question in my mind.

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The bottom plane is the casting off what I believe is a type 2 #422, but this configuration was used until about 1906. The top plane, a type 3.

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Types 1,2 and 3 typically had the number and a dot on the back of the cap.

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No logo on the cap.
Rosewood for knob and tote.
The type 3.
And the pivot lateral, the second one they used.

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The type 3 may have a solid brass cutter adjuster or one with the steel insert

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And some reprint comparisons from HMikes thread.

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Sargent Type Type 1Type 2Type 3Type 4Type 5Type 6Type 7 Type 8 5400 Series