The first is branded “HICKORY” which from Antique-Padlocks.com was made for: Kelley-How-Thomson Co. Mfg by: Sargent & Co.
and from another source:
“The high reputation of the house is built upon a solid foundation in the splendid line of hardware to which it has given the title of the “Hickory Brand,” and which is known as absolutely dependable from the lakes to the Coast. The greatest care has been exercised in applying the house brand only to products that would stand up under any test that they might be subjected to, and this, together with the fact that prices could be made that were reduced by reason of the elimination of a considerable part of the cost of transportation and handling, has created an immense and growing demand for this brand.”
The HICKORY padlock is 1.64” wide, 0.62” thick and the body is 1.24” high and the total height including the shackle is 2.35”
The plug is 0.40” diameter and the keyway is 0.305” long
The second is a brass Yale padlock which is 1.2” wide, .51” thick and the body is 1.13” tall and the total height including the shackle is 1.70”
The plug is .40” diameter