Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.
Equipment used to warm slides to a specified temperature for safe fixing, drying, and staining of samples. Products include heating blocks, convection ovens, and bench style slide heaters that vary in temperature range and slide holding capacity.