Common brass spring lancet in a red velt lined case.  The lancet is marked Wiegand & Snowden, Philadelphia.  The firm was the firm of Thomas Snowden and Conrad Wiegand.  They were in production from 1824 to 1855.  The blade on this piece has a period replacement increasing the surface area for cutting.
Brass Spring Lancets 
Common brass spring lancet in a blue velvet lined case.  The lancet is marked Snowden.  This was Thomas Snowden of Philadelphia.  This mark most likely post-dates his partnership wiht Wiegand dating the piece to 1855-1857.
Common brass spring lancet in a red velvet lined case.  The lancet is unmarked.  This piece has a common form of depth gauge designed to raise and lower a bar that would rest against the patients skin prior to firing the piece.
Brass veterinary spring lancet with a steel release bar.  The item is a very common form of spring lancet which is marked by Madeira.  This was Pugh Madeira of Philadelphia.  He was affiliated with E. Yarnall and listed in Edmonson under the following addresses.
1835-1860 at 7th 
1837-1840 at 22 S 7th   
1841 at High Street
1842 at 208 Chesnut
1844-1857 at 37 S 8th 
1858-1859 at 103 S 8th
1860-1881 at 115 S 10th
Common brass spring lancet in a red velvet lined case.  The lancet is marked Wiegand & Snowden, Philadelphia.  The firm was the firm of Thomas Snowden and Conrad Wiegand.  They were in production from 1824 to 1855.  The blade on this piece has a period replacement increasing the surface area for cutting.
Common brass spring lancet in a blue velvet lined case.  The lancet is marked Snowden.  This was Thomas Snowden of Philadelphia.  This mark most likely post-dates his partnership with Wiegand dating the piece to 1855-1857.
Common brass spring lancet in a red velvet lined case.  The lancet is unmarked.  This piece has a common form of depth gauge designed to raise and lower a bar that would rest against the patients skin prior to firing the piece.
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Brass veterinary spring lancet by FC Leypoldt of Philadelphia.  The item is in mint condition with the exception of the small chip in the blade.  The Leypoldt firm was one of the firms producing surgical instruments during the civil war producing from 1860-1896.  This piece probably dates from around 1860-1870.
Brass veterinary spring lancet by FC Leypoldt of Philadelphia.  The item is in mint condition with the exception of the small chip in the blade.  The Leypoldt firm was one of the firms producing surgical instruments during the civil war producing from 1860-1896.  This piece probably dates from around 1860-1870.
Brass veterinary spring lancet by FC Leypoldt of Philadelphia.  The item is in mint condition with the exception of the small chip in the blade.  The Leypoldt firm was one of the firms producing surgical instruments during the civil war producing from 1860-1896.  This piece probably dates from around 1860-1870.
Brass veterinary spring lancet by FC Leypoldt of Philadelphia.  The item is in mint condition with the exception of the small chip in the blade.  The Leypoldt firm was one of the firms producing surgical instruments during the civil war producing from 1860-1896.  This piece probably dates from around 1860-1870.
Brass veterinary spring lancet by FC Leypoldt of Philadelphia.  The item is in mint condition with the exception of the small chip in the blade.  The Leypoldt firm was one of the firms producing surgical instruments during the civil war producing from 1860-1896.  This piece probably dates from around 1860-1870.