Component; Pensky-Marten's Flash-point Apparatus
Component; Pensky-Marten's Flash-point Apparatus
Pensky-Marten's flash-point apparatus with one mercury thermometer, by Baird & Tatlock (London) Ltd., 1910-1912.
Pensky-Martens flash-point apparatus, serial number 3168
Component; Pensky-Marten's Flash-point Apparatus
Component; Pensky-Marten's Flash-point Apparatus
Component; Pensky-Marten's Flash-point Apparatus
Component; Pensky-Marten's Flash-point Apparatus
Component; Pensky-Marten's Flash-point Apparatus
Component; Pensky-Marten's Flash-point Apparatus
Component; Pensky-Marten's Flash-point Apparatus