Skip to main content

Add or remove other collections to your search:



Narrow your search by:



You've searched: All Collections

  • All fields: cupels
(2 results)



Display: 50

    • Assaying, cupeling

    • Men work in an assay office, probably in Colorado. Shows an assayer pouring ore into a cupel over a stove. Shows barrels, sacks, sifters, tins, mortars and pestles, tongs, and graduated sizes of cupels in the laboratory.
    • Assayers--Colorado--1890-1900.; Assaying--Colorado--1890-1900.; Interiors--Colorado--1890-1900.
    • [1897?]
    • Assaying

    • View of a laboratory in an assay office, probably in Colorado. One man sits at a counter to measure ore samples, another man with a pipette and beaker stands near a wood stove. Shows various ore measuring equipment, including a button-balance...
    • Assayers--Colorado--1890-1900.; Assaying--Colorado--1890-1900.; Interiors--Colorado--1890-1900.
    • 1897

QuickView

Display a larger image and more item information when the pointer pauses over a thumbnail
 

Layout options:

Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK
Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK